/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 04:01:07,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 04:01:07,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 04:01:07,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 04:01:07,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 04:01:07,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 04:01:07,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 04:01:07,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 04:01:07,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 04:01:07,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 04:01:07,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 04:01:07,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 04:01:07,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 04:01:07,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 04:01:07,718 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 04:01:07,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 04:01:07,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 04:01:07,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 04:01:07,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 04:01:07,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:01:07,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 04:01:07,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 04:01:07,721 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 04:01:07,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 04:01:07,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 04:01:07,721 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 04:01:07,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 04:01:07,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 04:01:07,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 04:01:07,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 04:01:07,952 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 04:01:07,953 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 04:01:07,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-06-06 04:01:07,963 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-06 04:01:07,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 04:01:07,996 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 04:01:07,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 04:01:07,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 04:01:07,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 04:01:08,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 04:01:08,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 04:01:08,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 04:01:08,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 04:01:08,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... [2021-06-06 04:01:08,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 04:01:08,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 04:01:08,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 04:01:08,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 04:01:08,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:01:08,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 04:01:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 04:01:08,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 04:01:08,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 04:01:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 04:01:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 04:01:08,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 04:01:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 04:01:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 04:01:08,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 04:01:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 04:01:08,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 04:01:08,093 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 04:01:08,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 04:01:08,327 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-06 04:01:08,328 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 04:01:08,328 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 04:01:08,328 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-06 04:01:08,329 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:01:08 BoogieIcfgContainer [2021-06-06 04:01:08,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 04:01:08,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 04:01:08,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 04:01:08,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 04:01:08,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:01:07" (1/2) ... [2021-06-06 04:01:08,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a04c98 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:01:08, skipping insertion in model container [2021-06-06 04:01:08,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:01:08" (2/2) ... [2021-06-06 04:01:08,334 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-06 04:01:08,337 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 04:01:08,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 04:01:08,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 04:01:08,338 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 04:01:08,359 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 04:01:08,373 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 04:01:08,401 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 04:01:08,401 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 04:01:08,402 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 04:01:08,402 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 04:01:08,402 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 04:01:08,402 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 04:01:08,402 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 04:01:08,402 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 04:01:08,420 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:08,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1493740920, now seen corresponding path program 1 times [2021-06-06 04:01:08,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:08,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708634696] [2021-06-06 04:01:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:08,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:08,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708634696] [2021-06-06 04:01:08,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708634696] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:01:08,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:01:08,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 04:01:08,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651394920] [2021-06-06 04:01:08,604 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 04:01:08,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:08,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 04:01:08,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 04:01:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:08,624 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:08,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:08,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:08,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 04:01:08,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 04:01:08,684 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:08,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:08,686 INFO L82 PathProgramCache]: Analyzing trace with hash 162531388, now seen corresponding path program 1 times [2021-06-06 04:01:08,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:08,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104974036] [2021-06-06 04:01:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:08,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:08,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104974036] [2021-06-06 04:01:08,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104974036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:08,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355382096] [2021-06-06 04:01:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:08,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 04:01:08,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:09,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355382096] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:09,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:09,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 04:01:09,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79938997] [2021-06-06 04:01:09,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 04:01:09,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:09,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 04:01:09,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 04:01:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:09,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:09,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:09,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 04:01:09,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:09,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:09,348 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:09,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:09,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1596223470, now seen corresponding path program 1 times [2021-06-06 04:01:09,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:09,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416735985] [2021-06-06 04:01:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:09,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:09,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416735985] [2021-06-06 04:01:09,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416735985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:09,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769686912] [2021-06-06 04:01:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:09,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 04:01:09,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:09,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769686912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:09,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:09,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 04:01:09,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121327868] [2021-06-06 04:01:09,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 04:01:09,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:09,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 04:01:09,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 04:01:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:09,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:09,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:09,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:09,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:09,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:09,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:09,940 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:09,940 INFO L82 PathProgramCache]: Analyzing trace with hash -346961070, now seen corresponding path program 1 times [2021-06-06 04:01:09,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:09,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793652068] [2021-06-06 04:01:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:09,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:09,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793652068] [2021-06-06 04:01:09,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793652068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:09,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2254375] [2021-06-06 04:01:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:10,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 04:01:10,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:10,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2254375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:10,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:10,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 04:01:10,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126465545] [2021-06-06 04:01:10,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 04:01:10,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:10,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 04:01:10,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-06 04:01:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:10,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:10,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:10,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:10,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:10,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:10,448 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:10,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:10,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1352968370, now seen corresponding path program 1 times [2021-06-06 04:01:10,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:10,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125480612] [2021-06-06 04:01:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:10,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:10,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125480612] [2021-06-06 04:01:10,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125480612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:10,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881023625] [2021-06-06 04:01:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:10,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 04:01:10,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:10,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881023625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:10,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:10,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 04:01:10,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097172533] [2021-06-06 04:01:10,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 04:01:10,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:10,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 04:01:10,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-06 04:01:10,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:10,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:10,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:10,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:10,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:10,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:10,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:10,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 04:01:10,856 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:10,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:10,857 INFO L82 PathProgramCache]: Analyzing trace with hash -350101756, now seen corresponding path program 1 times [2021-06-06 04:01:10,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:10,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899307630] [2021-06-06 04:01:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:11,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:11,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899307630] [2021-06-06 04:01:11,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899307630] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:11,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035583172] [2021-06-06 04:01:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:11,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 04:01:11,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:11,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:11,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:11,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:11,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:11,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:11,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:11,614 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:11,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:11,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:11,620 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:11,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:11,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:01:11,666 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:103 [2021-06-06 04:01:12,086 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-06-06 04:01:12,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-06 04:01:12,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 04:01:12,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:12,108 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:12,115 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:12,123 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:12,132 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:12,140 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:12,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:01:12,148 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:12,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:01:12,155 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-06-06 04:01:12,163 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:12,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:12,171 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,463 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-06-06 04:01:12,463 INFO L628 ElimStorePlain]: treesize reduction 144, result has 71.3 percent of original size [2021-06-06 04:01:12,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:01:12,470 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-06 04:01:12,482 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:12,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:12,502 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:12,510 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:12,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:12,526 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:12,533 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:01:12,551 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:01:12,558 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-06 04:01:12,564 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:12,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:12,585 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:12,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:01:12,590 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:12,718 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-06 04:01:12,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:12,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 04:01:12,735 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:403, output treesize:179 [2021-06-06 04:01:12,893 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-06 04:01:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:12,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035583172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:12,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:12,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-06 04:01:12,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586144989] [2021-06-06 04:01:12,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 04:01:12,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:12,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 04:01:12,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-06 04:01:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:12,982 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:12,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:12,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:13,334 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2021-06-06 04:01:13,525 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-06-06 04:01:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:13,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:13,762 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:13,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1194517604, now seen corresponding path program 2 times [2021-06-06 04:01:13,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:13,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333404555] [2021-06-06 04:01:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:13,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:13,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333404555] [2021-06-06 04:01:13,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333404555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:13,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121522341] [2021-06-06 04:01:13,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:14,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:01:14,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:14,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 04:01:14,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:14,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:14,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:14,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:14,246 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:14,252 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:14,257 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:14,261 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,369 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:01:14,369 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:01:14,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:01:14,379 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-06-06 04:01:14,608 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_15], 1=[array_0, v_prenex_14]} [2021-06-06 04:01:14,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:14,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:14,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:14,616 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,657 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-06 04:01:14,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:14,660 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:14,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:14,686 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:14,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:14,689 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:14,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:14,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:14,713 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-06-06 04:01:14,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:01:14,714 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 04:01:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:14,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121522341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:14,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:14,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-06 04:01:14,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178297420] [2021-06-06 04:01:14,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:01:14,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:14,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:01:14,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:01:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:14,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:14,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:14,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:15,275 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-06-06 04:01:15,612 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-06 04:01:15,805 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:16,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-06 04:01:16,047 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash -967108206, now seen corresponding path program 3 times [2021-06-06 04:01:16,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:16,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437329091] [2021-06-06 04:01:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:16,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:16,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437329091] [2021-06-06 04:01:16,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437329091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:16,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689375547] [2021-06-06 04:01:16,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:16,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 04:01:16,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:16,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 04:01:16,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:16,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:01:16,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:01:16,291 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:16,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:16,295 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:16,299 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:16,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:16,303 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:16,305 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,333 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 04:01:16,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:01:16,334 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:01:16,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:16,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:16,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:01:16,418 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:16,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:16,422 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:16,425 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:16,443 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:01:16,443 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:16,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:16,443 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:01:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:16,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689375547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:16,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:16,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-06-06 04:01:16,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869194728] [2021-06-06 04:01:16,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 04:01:16,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:16,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 04:01:16,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-06-06 04:01:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:16,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:16,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:16,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:17,651 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-06 04:01:18,014 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-06-06 04:01:18,369 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2021-06-06 04:01:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:18,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-06-06 04:01:18,614 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:18,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:18,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1605668110, now seen corresponding path program 4 times [2021-06-06 04:01:18,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:18,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759207941] [2021-06-06 04:01:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:18,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:18,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759207941] [2021-06-06 04:01:18,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759207941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:18,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271522516] [2021-06-06 04:01:18,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:18,783 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:01:18,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:18,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 04:01:18,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:19,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:19,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:19,053 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:19,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:19,109 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:19,115 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:19,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:19,186 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:19,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:19,195 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:19,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 04:01:19,267 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-06-06 04:01:19,654 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-06 04:01:19,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:19,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:19,664 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:19,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:19,682 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:19,688 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:19,693 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:19,699 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:19,706 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:01:19,712 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 04:01:19,717 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:19,724 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:01:19,729 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,859 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-06-06 04:01:19,860 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-06-06 04:01:19,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:19,881 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:19,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:01:19,886 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:19,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:19,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:01:19,940 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-06-06 04:01:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:20,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271522516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:20,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:20,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-06 04:01:20,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757235213] [2021-06-06 04:01:20,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:01:20,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:01:20,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:01:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:20,034 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:20,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:20,725 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-06 04:01:21,017 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-06 04:01:21,263 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-06 04:01:21,521 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2021-06-06 04:01:21,717 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-06 04:01:21,905 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2021-06-06 04:01:22,116 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-06-06 04:01:22,376 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-06 04:01:22,586 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2021-06-06 04:01:22,882 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2021-06-06 04:01:23,062 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-06-06 04:01:23,251 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-06-06 04:01:23,421 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:01:23,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:23,808 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:23,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1508306844, now seen corresponding path program 1 times [2021-06-06 04:01:23,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:23,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735380381] [2021-06-06 04:01:23,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 04:01:23,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:23,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735380381] [2021-06-06 04:01:23,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735380381] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:23,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495979600] [2021-06-06 04:01:23,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:23,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 04:01:23,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 04:01:23,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495979600] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:23,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:23,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 04:01:23,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390444513] [2021-06-06 04:01:23,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 04:01:23,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:23,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 04:01:23,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 04:01:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:23,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:23,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:01:23,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:24,450 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:24,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:24,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1957685294, now seen corresponding path program 5 times [2021-06-06 04:01:24,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:24,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069118104] [2021-06-06 04:01:24,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:24,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:24,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069118104] [2021-06-06 04:01:24,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069118104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:24,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249026190] [2021-06-06 04:01:24,547 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:24,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:01:24,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:24,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 04:01:24,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:24,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:24,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:24,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:24,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:24,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:24,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:24,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:24,660 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:01:24,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:24,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:24,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:24,719 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:24,733 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:01:24,733 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:24,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:01:24,734 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:01:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:24,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249026190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:24,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:24,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-06 04:01:24,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454153956] [2021-06-06 04:01:24,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 04:01:24,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:24,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 04:01:24,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-06 04:01:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:24,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:24,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:24,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:25,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-06 04:01:25,209 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:25,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:25,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1216253704, now seen corresponding path program 6 times [2021-06-06 04:01:25,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:25,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026997199] [2021-06-06 04:01:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:25,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:25,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026997199] [2021-06-06 04:01:25,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026997199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:25,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828464714] [2021-06-06 04:01:25,542 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:25,573 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-06 04:01:25,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:25,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 04:01:25,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:26,052 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-06 04:01:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:01:26,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-06 04:01:26,155 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,281 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-06-06 04:01:26,281 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-06-06 04:01:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-06 04:01:26,290 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:01:26,295 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-06 04:01:26,353 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:26,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:01:26,362 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:26,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 04:01:26,416 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-06-06 04:01:26,803 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_35, v_prenex_37], 3=[array_0, v_prenex_36, v_prenex_34]} [2021-06-06 04:01:26,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:26,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:01:26,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,897 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-06-06 04:01:26,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-06 04:01:26,903 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:26,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:26,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:26,949 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-06 04:01:26,955 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:26,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:26,993 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:26,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:26,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:01:26,997 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:27,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:27,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:01:27,037 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:27,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:27,041 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:27,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:27,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:27,075 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:27,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:27,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:27,079 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:27,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:27,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:27,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:01:27,115 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-06-06 04:01:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:27,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828464714] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:27,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:27,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-06 04:01:27,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908684406] [2021-06-06 04:01:27,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 04:01:27,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:27,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 04:01:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-06 04:01:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:27,174 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:27,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:27,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:27,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:27,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:27,756 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-06 04:01:27,993 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2021-06-06 04:01:28,151 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-06 04:01:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:01:28,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:28,449 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:28,449 INFO L82 PathProgramCache]: Analyzing trace with hash 613122108, now seen corresponding path program 7 times [2021-06-06 04:01:28,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:28,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288921408] [2021-06-06 04:01:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:28,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:28,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288921408] [2021-06-06 04:01:28,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288921408] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:28,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071279582] [2021-06-06 04:01:28,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:28,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 04:01:28,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 04:01:28,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-06-06 04:01:28,962 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:28,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 04:01:28,969 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:28,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:28,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-06 04:01:28,974 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,039 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-06-06 04:01:29,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-06 04:01:29,043 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:185, output treesize:87 [2021-06-06 04:01:29,308 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-06-06 04:01:29,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:29,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:29,317 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:29,320 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-06 04:01:29,325 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-06 04:01:29,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:29,337 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-06 04:01:29,341 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,411 INFO L628 ElimStorePlain]: treesize reduction 182, result has 30.0 percent of original size [2021-06-06 04:01:29,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:29,415 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:29,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:29,419 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:29,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:29,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:29,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:29,449 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-06-06 04:01:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:29,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071279582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:29,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:29,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 04:01:29,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878576228] [2021-06-06 04:01:29,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 04:01:29,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:29,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 04:01:29,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-06 04:01:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:29,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:29,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:01:29,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:30,863 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-06 04:01:31,177 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-06 04:01:31,340 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-06 04:01:31,586 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:01:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:31,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable161 [2021-06-06 04:01:31,831 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:31,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1810499398, now seen corresponding path program 8 times [2021-06-06 04:01:31,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:31,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937325169] [2021-06-06 04:01:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:32,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:32,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937325169] [2021-06-06 04:01:32,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937325169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:32,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911236766] [2021-06-06 04:01:32,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:32,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:01:32,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 04:01:32,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:32,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:32,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:32,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:32,181 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:32,185 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:32,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:32,189 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:32,193 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:32,196 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,221 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 04:01:32,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:01:32,222 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:01:32,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:32,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:32,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:01:32,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:32,307 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:32,310 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:32,325 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:01:32,325 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:32,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:32,326 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:01:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:32,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911236766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:32,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:32,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-06 04:01:32,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035723316] [2021-06-06 04:01:32,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 04:01:32,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:32,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 04:01:32,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-06 04:01:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:32,351 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:32,351 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:33,351 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-06 04:01:33,561 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-06-06 04:01:33,773 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2021-06-06 04:01:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:34,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:34,019 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:34,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:34,019 INFO L82 PathProgramCache]: Analyzing trace with hash -293289106, now seen corresponding path program 9 times [2021-06-06 04:01:34,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:34,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110804566] [2021-06-06 04:01:34,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:34,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:34,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110804566] [2021-06-06 04:01:34,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110804566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:34,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281198664] [2021-06-06 04:01:34,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:34,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:01:34,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:34,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 04:01:34,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:34,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 04:01:34,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:34,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 04:01:34,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:34,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-06 04:01:34,419 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-06 04:01:34,424 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:34,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:01:34,461 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:183, output treesize:127 [2021-06-06 04:01:34,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:34,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:34,697 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,704 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,706 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,707 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:34,711 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,715 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,717 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:34,722 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,725 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:01:34,729 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,731 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:34,735 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:34,738 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,793 INFO L628 ElimStorePlain]: treesize reduction 48, result has 61.6 percent of original size [2021-06-06 04:01:34,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:34,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:01:34,797 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:34,800 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:34,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:34,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:01:34,832 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:419, output treesize:61 [2021-06-06 04:01:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:34,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281198664] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:34,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:34,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-06 04:01:34,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837863395] [2021-06-06 04:01:34,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 04:01:34,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:34,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 04:01:34,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-06-06 04:01:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:34,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:34,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:34,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:34,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:34,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:36,113 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-06-06 04:01:36,295 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-06 04:01:36,465 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-06 04:01:36,683 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-06 04:01:36,917 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-06 04:01:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:01:37,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-06 04:01:37,477 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:37,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:37,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1198537210, now seen corresponding path program 10 times [2021-06-06 04:01:37,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:37,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155482409] [2021-06-06 04:01:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:37,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:37,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155482409] [2021-06-06 04:01:37,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155482409] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:37,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430635172] [2021-06-06 04:01:37,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:37,606 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:01:37,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:37,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 04:01:37,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:37,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:37,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:37,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-06 04:01:37,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:37,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:37,669 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:37,706 INFO L628 ElimStorePlain]: treesize reduction 32, result has 63.6 percent of original size [2021-06-06 04:01:37,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:37,707 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:109, output treesize:56 [2021-06-06 04:01:37,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:37,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:37,819 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 04:01:37,819 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:37,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:37,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-06 04:01:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:37,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430635172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:37,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:37,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 04:01:37,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80463000] [2021-06-06 04:01:37,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 04:01:37,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:37,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 04:01:37,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-06 04:01:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:37,851 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:37,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:01:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:39,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:39,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-06 04:01:39,321 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:39,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:39,321 INFO L82 PathProgramCache]: Analyzing trace with hash 180996178, now seen corresponding path program 11 times [2021-06-06 04:01:39,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:39,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3576365] [2021-06-06 04:01:39,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:39,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:39,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3576365] [2021-06-06 04:01:39,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3576365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:39,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418763644] [2021-06-06 04:01:39,485 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:39,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 04:01:39,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:39,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 04:01:39,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:39,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:39,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:39,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:39,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:39,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:39,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 04:01:39,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 04:01:39,961 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-06-06 04:01:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:39,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-06 04:01:39,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:39,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-06 04:01:39,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:39,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:39,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-06 04:01:39,981 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:39,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 04:01:39,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:40,062 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 04:01:40,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:40,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:40,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:01:40,068 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:40,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:40,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:40,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:40,072 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:40,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:40,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:40,075 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:40,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:40,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:40,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:01:40,115 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-06-06 04:01:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:40,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418763644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:40,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:40,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-06 04:01:40,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233384849] [2021-06-06 04:01:40,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 04:01:40,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:40,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 04:01:40,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-06 04:01:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:40,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:40,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:40,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:40,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:40,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:40,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-06 04:01:40,894 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:40,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1415090126, now seen corresponding path program 12 times [2021-06-06 04:01:40,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:40,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715275475] [2021-06-06 04:01:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:41,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:41,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715275475] [2021-06-06 04:01:41,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715275475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:41,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362982568] [2021-06-06 04:01:41,018 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:41,053 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 04:01:41,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:41,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 04:01:41,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:41,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:41,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:41,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:41,122 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:41,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:41,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:41,136 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:01:41,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:41,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:41,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:41,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:41,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:41,233 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:01:41,233 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:41,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:01:41,234 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:01:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:41,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362982568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:41,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:41,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-06 04:01:41,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391255659] [2021-06-06 04:01:41,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:01:41,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:41,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:01:41,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:01:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:41,255 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:41,255 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:41,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:41,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-06-06 04:01:41,782 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:41,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:41,782 INFO L82 PathProgramCache]: Analyzing trace with hash -260569212, now seen corresponding path program 13 times [2021-06-06 04:01:41,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:41,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549901264] [2021-06-06 04:01:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:42,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:42,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549901264] [2021-06-06 04:01:42,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549901264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:42,192 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540945363] [2021-06-06 04:01:42,192 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:42,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 04:01:42,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:42,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 04:01:42,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-06 04:01:42,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:42,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 04:01:42,944 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:42,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:42,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-06 04:01:42,954 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:43,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:43,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:01:43,012 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:270, output treesize:186 [2021-06-06 04:01:43,678 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-06 04:01:43,950 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-06 04:01:44,062 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_61, v_prenex_65, v_prenex_63, array_4, v_prenex_67], 6=[v_prenex_60, array_0, v_prenex_64, v_prenex_62, v_prenex_66]} [2021-06-06 04:01:44,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-06-06 04:01:44,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-06 04:01:44,078 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:44,275 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-06-06 04:01:44,276 INFO L628 ElimStorePlain]: treesize reduction 129, result has 72.0 percent of original size [2021-06-06 04:01:44,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-06-06 04:01:44,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-06 04:01:44,297 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-06 04:01:44,377 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-06-06 04:01:44,383 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-06 04:01:44,448 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:44,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:01:44,514 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:44,576 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:44,581 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:44,647 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:44,657 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:44,721 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:01:44,725 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:01:44,781 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:44,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:01:44,785 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:44,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:44,835 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-06 04:01:44,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 04:01:44,838 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:493, output treesize:70 [2021-06-06 04:01:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:44,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540945363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:44,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:44,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-06-06 04:01:44,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40812599] [2021-06-06 04:01:44,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 04:01:44,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:44,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 04:01:44,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2021-06-06 04:01:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:44,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:44,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:45,881 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-06 04:01:46,139 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-06-06 04:01:46,359 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-06 04:01:46,609 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:01:46,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:46,885 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash -796182684, now seen corresponding path program 14 times [2021-06-06 04:01:46,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:46,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528172657] [2021-06-06 04:01:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:47,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:47,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528172657] [2021-06-06 04:01:47,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528172657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:47,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025650234] [2021-06-06 04:01:47,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:47,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:01:47,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:47,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 04:01:47,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 04:01:47,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-06-06 04:01:47,872 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-06-06 04:01:47,881 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-06-06 04:01:47,894 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 04:01:47,908 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:01:47,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:47,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-06 04:01:47,917 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:48,024 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:01:48,025 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:01:48,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:01:48,029 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:325, output treesize:125 [2021-06-06 04:01:48,372 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_75, array_4], 1=[array_0, v_prenex_74]} [2021-06-06 04:01:48,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:48,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:48,378 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:48,409 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-06-06 04:01:48,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:48,411 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:48,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:48,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:48,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:48,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:01:48,443 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:48,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:48,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:01:48,446 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:48,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:48,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:48,468 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-06-06 04:01:48,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:01:48,469 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 04:01:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:48,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025650234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:48,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:48,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-06 04:01:48,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398491717] [2021-06-06 04:01:48,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 04:01:48,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:48,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 04:01:48,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-06-06 04:01:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:48,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:48,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:01:48,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:50,383 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 04:01:50,613 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 04:01:50,831 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 04:01:51,065 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-06 04:01:51,370 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-06 04:01:51,596 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-06-06 04:01:51,870 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 04:01:52,120 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 04:01:52,375 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-06 04:01:52,636 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:01:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:01:52,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 04:01:52,888 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:52,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:52,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1745692306, now seen corresponding path program 15 times [2021-06-06 04:01:52,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:52,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963365933] [2021-06-06 04:01:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:53,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:53,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963365933] [2021-06-06 04:01:53,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963365933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:53,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398987403] [2021-06-06 04:01:53,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:53,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:01:53,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:53,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 04:01:53,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:53,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:53,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:53,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:01:53,300 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:53,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:53,306 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:53,309 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:53,311 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:53,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,340 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 04:01:53,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:01:53,341 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:01:53,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:53,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:53,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:53,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:01:53,492 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:01:53,494 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:53,496 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:53,510 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:01:53,510 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:01:53,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:01:53,511 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:01:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:53,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398987403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:53,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:53,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-06 04:01:53,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865190895] [2021-06-06 04:01:53,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 04:01:53,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:53,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 04:01:53,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-06 04:01:53,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:53,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:53,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:53,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:53,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:01:53,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:55,866 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2021-06-06 04:01:56,490 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-06 04:01:57,050 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-06 04:01:57,378 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:01:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:01:57,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:57,673 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:01:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:01:57,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1169840754, now seen corresponding path program 16 times [2021-06-06 04:01:57,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:01:57,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870353888] [2021-06-06 04:01:57,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:01:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:01:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:57,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:01:57,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870353888] [2021-06-06 04:01:57,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870353888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:57,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246421533] [2021-06-06 04:01:57,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:01:58,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:01:58,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:01:58,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 04:01:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:01:58,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-06 04:01:58,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-06 04:01:58,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-06 04:01:58,329 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-06 04:01:58,335 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-06 04:01:58,341 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 04:01:58,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-06 04:01:58,348 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-06 04:01:58,351 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,397 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 04:01:58,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:01:58,398 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:256, output treesize:95 [2021-06-06 04:01:58,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:01:58,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:01:58,677 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:58,684 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:58,688 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:01:58,692 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:58,696 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:58,700 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:01:58,704 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:01:58,710 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:58,714 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:01:58,718 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:01:58,729 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,781 INFO L628 ElimStorePlain]: treesize reduction 86, result has 41.9 percent of original size [2021-06-06 04:01:58,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:01:58,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:01:58,785 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:01:58,788 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:01:58,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:01:58,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:01:58,806 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 04:01:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:01:58,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246421533] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:01:58,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:01:58,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-06 04:01:58,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975085445] [2021-06-06 04:01:58,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 04:01:58,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:01:58,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 04:01:58,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-06-06 04:01:58,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:58,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:01:58,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:58,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:01:58,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:01:59,645 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-06-06 04:01:59,825 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-06-06 04:02:00,030 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-06 04:02:00,302 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 04:02:00,503 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-06 04:02:00,705 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-06 04:02:00,972 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-06 04:02:01,312 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2021-06-06 04:02:01,752 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2021-06-06 04:02:02,207 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-06 04:02:02,699 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-06 04:02:03,138 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-06 04:02:03,608 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-06 04:02:03,882 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2021-06-06 04:02:04,258 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-06 04:02:04,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:04,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:04,713 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:04,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:04,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1973465956, now seen corresponding path program 17 times [2021-06-06 04:02:04,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:04,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231483775] [2021-06-06 04:02:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:04,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:04,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231483775] [2021-06-06 04:02:04,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231483775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:04,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983958555] [2021-06-06 04:02:04,829 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:04,862 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 04:02:04,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:04,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 04:02:04,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:04,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:04,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:04,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:04,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:04,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:04,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:04,932 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 04:02:04,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:04,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:05,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:05,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:05,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:05,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:02:05,008 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:05,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:05,011 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:05,026 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:02:05,026 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:05,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:05,026 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:02:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:05,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983958555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:05,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:05,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-06 04:02:05,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911413797] [2021-06-06 04:02:05,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:02:05,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:05,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:02:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:02:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:05,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:05,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:05,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:05,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:05,779 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-06 04:02:05,947 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:06,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable323 [2021-06-06 04:02:06,604 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1340861490, now seen corresponding path program 18 times [2021-06-06 04:02:06,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:06,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427139783] [2021-06-06 04:02:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:06,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:06,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427139783] [2021-06-06 04:02:06,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427139783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:06,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519329874] [2021-06-06 04:02:06,701 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:06,730 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-06 04:02:06,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:06,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 04:02:06,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:06,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:06,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:06,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:06,786 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:06,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:06,798 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:02:06,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:06,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:02:06,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:06,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:06,855 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:06,860 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:06,876 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:02:06,876 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:06,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:06,877 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:02:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:06,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519329874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:06,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:06,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-06-06 04:02:06,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626232819] [2021-06-06 04:02:06,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 04:02:06,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:06,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 04:02:06,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-06 04:02:06,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:06,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:06,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:06,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:06,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:08,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:08,210 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:08,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:08,212 INFO L82 PathProgramCache]: Analyzing trace with hash 542626298, now seen corresponding path program 19 times [2021-06-06 04:02:08,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:08,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139414611] [2021-06-06 04:02:08,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:08,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:08,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139414611] [2021-06-06 04:02:08,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139414611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:08,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802097303] [2021-06-06 04:02:08,411 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:08,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 04:02:08,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:08,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:08,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:08,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:08,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:08,521 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-06 04:02:08,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:08,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-06 04:02:08,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:08,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:08,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-06 04:02:08,677 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:08,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-06 04:02:08,683 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-06 04:02:08,687 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,724 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-06-06 04:02:08,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:08,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:08,728 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:08,730 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:08,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:08,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:08,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:08,754 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-06-06 04:02:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:08,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802097303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:08,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:08,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-06-06 04:02:08,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195681631] [2021-06-06 04:02:08,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 04:02:08,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:08,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 04:02:08,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-06 04:02:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:08,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:08,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:08,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:08,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-06-06 04:02:09,550 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:09,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:09,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1666925650, now seen corresponding path program 20 times [2021-06-06 04:02:09,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:09,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513476666] [2021-06-06 04:02:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:09,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:09,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513476666] [2021-06-06 04:02:09,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513476666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:09,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517146775] [2021-06-06 04:02:09,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:09,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:02:09,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:09,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 04:02:09,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:09,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:09,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:09,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:09,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:09,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:09,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:09,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:02:09,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:09,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:09,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:09,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:09,948 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:09,962 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:02:09,962 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:09,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:02:09,962 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:02:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:09,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517146775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:09,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:09,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-06 04:02:09,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264518268] [2021-06-06 04:02:09,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 04:02:09,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:09,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 04:02:09,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 04:02:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:09,995 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:09,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:09,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:09,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:10,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:10,677 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:10,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:10,677 INFO L82 PathProgramCache]: Analyzing trace with hash 522464136, now seen corresponding path program 21 times [2021-06-06 04:02:10,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:10,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582272501] [2021-06-06 04:02:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:11,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:11,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582272501] [2021-06-06 04:02:11,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582272501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:11,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305534564] [2021-06-06 04:02:11,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:11,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:02:11,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:11,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 04:02:11,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 04:02:11,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:11,701 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:11,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:11,763 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:11,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:11,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 04:02:11,774 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:11,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:11,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:02:11,809 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:111 [2021-06-06 04:02:12,388 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-06 04:02:12,655 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-06 04:02:12,977 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-06 04:02:13,057 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 91=[array_0]} [2021-06-06 04:02:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2021-06-06 04:02:13,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 04:02:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:13,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:13,128 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 04:02:13,146 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-06 04:02:13,162 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:13,180 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 04:02:13,196 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-06 04:02:13,213 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2021-06-06 04:02:13,229 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:13,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 04:02:13,242 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,473 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2021-06-06 04:02:13,473 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-06-06 04:02:13,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:02:13,480 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:02:13,486 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-06 04:02:13,492 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:02:13,497 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:13,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:13,515 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:13,521 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:13,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:13,534 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:13,540 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:13,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:02:13,553 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-06 04:02:13,564 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:13,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:02:13,569 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:13,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:13,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:13,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 04:02:13,680 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:749, output treesize:185 [2021-06-06 04:02:13,858 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-06 04:02:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:13,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305534564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:13,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:13,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-06 04:02:13,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724386246] [2021-06-06 04:02:13,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 04:02:13,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:13,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 04:02:13,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1043, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 04:02:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:13,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:13,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:13,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:15,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-06-06 04:02:15,653 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:15,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1143113668, now seen corresponding path program 22 times [2021-06-06 04:02:15,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:15,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939267752] [2021-06-06 04:02:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:16,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:16,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939267752] [2021-06-06 04:02:16,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939267752] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:16,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395811716] [2021-06-06 04:02:16,023 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:16,062 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:02:16,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:16,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 04:02:16,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-06-06 04:02:16,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:16,913 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:16,930 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-06 04:02:16,958 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:16,975 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:16,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:16,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-06 04:02:16,985 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:17,083 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.6 percent of original size [2021-06-06 04:02:17,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:02:17,088 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:397, output treesize:131 [2021-06-06 04:02:17,544 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_100], 1=[array_0, v_prenex_99]} [2021-06-06 04:02:17,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:17,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:17,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:17,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:17,582 INFO L628 ElimStorePlain]: treesize reduction 61, result has 44.0 percent of original size [2021-06-06 04:02:17,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:02:17,585 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:17,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:17,601 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 04:02:17,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:17,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:17,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:17,604 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:17,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:17,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:17,607 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:17,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:17,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:17,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:02:17,629 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:123, output treesize:23 [2021-06-06 04:02:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:17,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395811716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:17,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:17,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-06-06 04:02:17,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345160657] [2021-06-06 04:02:17,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 04:02:17,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:17,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 04:02:17,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 04:02:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:17,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:17,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:17,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:17,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:18,740 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-06-06 04:02:18,937 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-06 04:02:19,152 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-06-06 04:02:19,378 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-06-06 04:02:19,664 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-06 04:02:19,907 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-06 04:02:20,218 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2021-06-06 04:02:20,490 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-06 04:02:20,762 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-06-06 04:02:21,028 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-06 04:02:21,322 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:21,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:21,597 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:21,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:21,597 INFO L82 PathProgramCache]: Analyzing trace with hash -419233606, now seen corresponding path program 23 times [2021-06-06 04:02:21,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:21,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069056930] [2021-06-06 04:02:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:21,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:21,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069056930] [2021-06-06 04:02:21,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069056930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:21,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590933437] [2021-06-06 04:02:21,874 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:21,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 04:02:21,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:21,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 04:02:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:22,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:22,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:22,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:22,161 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:22,163 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:22,165 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:22,169 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:22,172 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,201 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 04:02:22,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:02:22,202 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:02:22,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:22,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:22,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:02:22,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:22,409 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:22,411 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:22,427 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:02:22,427 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:22,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:22,427 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:02:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:22,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590933437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:22,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:22,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-06 04:02:22,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733071488] [2021-06-06 04:02:22,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 04:02:22,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:22,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 04:02:22,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 04:02:22,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:22,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:22,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:22,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:22,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:25,232 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-06 04:02:25,746 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 150 [2021-06-06 04:02:26,555 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2021-06-06 04:02:27,166 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2021-06-06 04:02:27,592 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:27,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399 [2021-06-06 04:02:27,897 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:27,897 INFO L82 PathProgramCache]: Analyzing trace with hash -325929234, now seen corresponding path program 24 times [2021-06-06 04:02:27,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:27,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107365243] [2021-06-06 04:02:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:28,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:28,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107365243] [2021-06-06 04:02:28,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107365243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:28,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775717378] [2021-06-06 04:02:28,228 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:28,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 04:02:28,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:28,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 04:02:28,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:28,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:28,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:28,533 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 04:02:28,544 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:28,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 04:02:28,561 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:28,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:02:28,591 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:251, output treesize:107 [2021-06-06 04:02:28,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:02:28,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:28,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:02:28,937 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:28,940 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:02:28,944 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:02:28,948 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:28,951 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:28,955 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:02:28,959 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:28,963 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:28,965 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:28,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:02:28,969 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:28,972 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:28,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:28,974 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:29,022 INFO L628 ElimStorePlain]: treesize reduction 83, result has 42.8 percent of original size [2021-06-06 04:02:29,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:29,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:02:29,026 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:29,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:02:29,029 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:29,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:29,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:02:29,048 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-06 04:02:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:29,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775717378] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:29,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:29,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-06 04:02:29,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241305146] [2021-06-06 04:02:29,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 04:02:29,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:29,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 04:02:29,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-06-06 04:02:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:29,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:29,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:29,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:29,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:29,756 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 04:02:30,367 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 04:02:31,000 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-06 04:02:32,055 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-06 04:02:32,259 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-06 04:02:32,438 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:02:32,609 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:02:32,778 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:02:32,989 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-06 04:02:33,270 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-06 04:02:34,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:34,159 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:34,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:34,160 INFO L82 PathProgramCache]: Analyzing trace with hash 299097788, now seen corresponding path program 25 times [2021-06-06 04:02:34,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:34,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094708557] [2021-06-06 04:02:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:34,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:34,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094708557] [2021-06-06 04:02:34,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094708557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:34,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485222609] [2021-06-06 04:02:34,313 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:34,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 04:02:34,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:34,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:34,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:34,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:34,417 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:34,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:34,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:02:34,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:34,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:34,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:34,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:34,527 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:02:34,529 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:02:34,531 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:34,545 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:02:34,545 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:34,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:34,546 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:02:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:34,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485222609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:34,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:34,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-06 04:02:34,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860847706] [2021-06-06 04:02:34,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 04:02:34,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:34,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 04:02:34,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-06 04:02:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:34,571 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:34,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:34,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:34,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-06 04:02:34,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:36,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable425 [2021-06-06 04:02:36,929 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:36,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:36,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1257096530, now seen corresponding path program 26 times [2021-06-06 04:02:36,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:36,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103931394] [2021-06-06 04:02:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:37,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:37,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103931394] [2021-06-06 04:02:37,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103931394] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:37,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136236916] [2021-06-06 04:02:37,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:37,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:02:37,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:37,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 04:02:37,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:37,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:37,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:37,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:37,540 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:37,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:37,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:02:37,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:37,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:37,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 04:02:37,557 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 04:02:38,043 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 15=[array_0]} [2021-06-06 04:02:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-06 04:02:38,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-06 04:02:38,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-06 04:02:38,081 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:38,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-06 04:02:38,090 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:38,175 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 04:02:38,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:38,179 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:38,183 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:38,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:38,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:02:38,194 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:38,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:38,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:02:38,228 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:281, output treesize:55 [2021-06-06 04:02:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:38,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136236916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:38,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:38,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-06-06 04:02:38,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482920180] [2021-06-06 04:02:38,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 04:02:38,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:38,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 04:02:38,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-06-06 04:02:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:38,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:38,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:38,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:38,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:38,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:39,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-06 04:02:39,315 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:39,316 INFO L82 PathProgramCache]: Analyzing trace with hash 155654066, now seen corresponding path program 27 times [2021-06-06 04:02:39,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:39,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14261678] [2021-06-06 04:02:39,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:39,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:39,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14261678] [2021-06-06 04:02:39,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14261678] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:39,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468298135] [2021-06-06 04:02:39,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:39,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 04:02:39,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:39,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 04:02:39,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:39,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:39,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:39,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:39,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:39,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:39,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:39,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:39,687 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:02:39,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:39,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:02:39,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:39,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:02:39,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:39,836 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:02:39,836 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:02:39,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:02:39,836 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:02:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:39,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468298135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:39,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:39,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-06 04:02:39,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973925663] [2021-06-06 04:02:39,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 04:02:39,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:39,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 04:02:39,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-06 04:02:39,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:39,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:39,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:39,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:39,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:39,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:40,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:40,728 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:40,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:40,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1187860484, now seen corresponding path program 28 times [2021-06-06 04:02:40,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:40,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644334350] [2021-06-06 04:02:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:41,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:41,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644334350] [2021-06-06 04:02:41,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644334350] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:41,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634433023] [2021-06-06 04:02:41,484 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:41,524 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:02:41,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:41,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-06 04:02:41,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:42,465 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-06 04:02:42,874 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-06-06 04:02:43,334 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 166 [2021-06-06 04:02:43,863 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 170 [2021-06-06 04:02:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-06 04:02:44,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-06 04:02:44,034 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,435 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-06 04:02:44,435 INFO L628 ElimStorePlain]: treesize reduction 63, result has 88.0 percent of original size [2021-06-06 04:02:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-06 04:02:44,467 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-06 04:02:44,484 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:44,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-06 04:02:44,612 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:44,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:44,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-06-06 04:02:44,630 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:44,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:44,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 04:02:44,710 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:612, output treesize:307 [2021-06-06 04:02:45,860 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_121, v_prenex_123], 15=[array_0, v_prenex_120, v_prenex_122]} [2021-06-06 04:02:45,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-06-06 04:02:45,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:45,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-06 04:02:45,881 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,003 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-06 04:02:46,004 INFO L628 ElimStorePlain]: treesize reduction 67, result has 77.1 percent of original size [2021-06-06 04:02:46,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-06 04:02:46,009 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:46,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-06-06 04:02:46,072 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2021-06-06 04:02:46,077 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:02:46,115 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:02:46,118 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:46,153 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:46,156 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:02:46,196 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:46,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:02:46,200 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:46,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:46,230 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:02:46,230 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:379, output treesize:31 [2021-06-06 04:02:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:46,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634433023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:46,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:46,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-06 04:02:46,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796872917] [2021-06-06 04:02:46,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 04:02:46,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:46,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 04:02:46,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1470, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 04:02:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:46,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:46,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:46,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:46,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:46,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:46,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:48,507 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2021-06-06 04:02:48,961 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2021-06-06 04:02:49,486 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-06 04:02:50,069 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2021-06-06 04:02:50,867 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2021-06-06 04:02:51,219 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:02:51,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable452 [2021-06-06 04:02:51,643 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:02:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:02:51,643 INFO L82 PathProgramCache]: Analyzing trace with hash -736392604, now seen corresponding path program 29 times [2021-06-06 04:02:51,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:02:51,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563756466] [2021-06-06 04:02:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:02:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:02:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:52,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:02:52,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563756466] [2021-06-06 04:02:52,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563756466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:52,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869289267] [2021-06-06 04:02:52,037 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:02:52,081 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 04:02:52,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:02:52,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 04:02:52,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:02:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 48 [2021-06-06 04:02:53,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-06 04:02:53,245 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-06 04:02:53,268 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-06 04:02:53,292 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-06 04:02:53,314 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:02:53,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-06 04:02:53,325 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:53,448 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-06 04:02:53,449 INFO L628 ElimStorePlain]: treesize reduction 8, result has 95.1 percent of original size [2021-06-06 04:02:53,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:02:53,453 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:487, output treesize:149 [2021-06-06 04:02:54,002 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 04:02:54,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:02:54,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:02:54,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:02:54,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:54,029 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 04:02:54,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:02:54,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:02:54,032 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:02:54,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:02:54,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:02:54,039 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 04:02:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:02:54,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869289267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:02:54,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:02:54,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-06 04:02:54,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78539718] [2021-06-06 04:02:54,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 04:02:54,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:02:54,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 04:02:54,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 04:02:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:54,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:02:54,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:02:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:54,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:02:54,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:02:56,515 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-06-06 04:02:56,735 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 04:02:56,948 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 04:02:57,172 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-06 04:02:57,427 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-06 04:02:57,654 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-06 04:02:57,990 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 04:02:58,237 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-06-06 04:02:58,531 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-06-06 04:02:58,792 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 04:02:59,044 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 04:02:59,301 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 04:02:59,565 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-06 04:02:59,832 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:02:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:02:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:00,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable511,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:00,086 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:00,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:00,086 INFO L82 PathProgramCache]: Analyzing trace with hash -695782510, now seen corresponding path program 30 times [2021-06-06 04:03:00,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:00,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961622005] [2021-06-06 04:03:00,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:00,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:00,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961622005] [2021-06-06 04:03:00,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961622005] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:00,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896589900] [2021-06-06 04:03:00,422 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:00,464 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 04:03:00,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:00,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 04:03:00,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:00,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:03:00,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:00,786 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:00,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:00,789 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:00,792 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:00,794 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:00,797 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:00,830 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 04:03:00,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:03:00,831 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:03:01,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:01,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:01,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:01,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:01,076 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:01,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:01,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:01,078 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:01,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:01,081 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:01,094 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:03:01,095 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:03:01,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:03:01,095 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:03:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:01,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896589900] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:01,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:01,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-06 04:03:01,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625926518] [2021-06-06 04:03:01,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 04:03:01,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:01,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 04:03:01,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 04:03:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:01,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:01,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:01,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:01,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:04,847 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2021-06-06 04:03:05,322 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 04:03:05,788 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 04:03:06,199 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 04:03:06,632 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-06 04:03:07,001 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:07,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable535 [2021-06-06 04:03:07,320 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:07,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1173478926, now seen corresponding path program 31 times [2021-06-06 04:03:07,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:07,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392628544] [2021-06-06 04:03:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:07,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:07,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392628544] [2021-06-06 04:03:07,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392628544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:07,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735521995] [2021-06-06 04:03:07,870 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:07,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 04:03:07,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:08,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-06 04:03:08,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-06 04:03:08,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-06 04:03:08,506 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-06 04:03:08,516 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 04:03:08,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-06 04:03:08,527 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:03:08,536 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:03:08,540 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:08,585 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 04:03:08,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:03:08,585 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:354, output treesize:95 [2021-06-06 04:03:09,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:03:09,032 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:09,035 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:09,039 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:09,042 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:09,044 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:03:09,048 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:09,052 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:09,055 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:03:09,059 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:03:09,063 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:09,065 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:03:09,069 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,112 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-06 04:03:09,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:09,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:03:09,119 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:03:09,122 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:09,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:09,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:03:09,138 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 04:03:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:09,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735521995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:09,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:09,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-06 04:03:09,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385168768] [2021-06-06 04:03:09,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 04:03:09,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 04:03:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1711, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 04:03:09,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:09,251 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:09,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:09,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:09,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:10,535 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-06-06 04:03:10,716 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-06-06 04:03:10,896 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-06-06 04:03:11,084 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-06 04:03:11,280 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-06 04:03:11,579 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-06-06 04:03:11,787 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 04:03:11,997 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-06 04:03:12,200 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-06 04:03:12,407 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-06 04:03:12,672 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-06 04:03:13,049 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2021-06-06 04:03:13,589 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-06-06 04:03:13,837 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-06 04:03:14,011 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:14,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable543 [2021-06-06 04:03:14,470 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:14,470 INFO L82 PathProgramCache]: Analyzing trace with hash 972838500, now seen corresponding path program 32 times [2021-06-06 04:03:14,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:14,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84485810] [2021-06-06 04:03:14,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:14,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:14,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84485810] [2021-06-06 04:03:14,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84485810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:14,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458597803] [2021-06-06 04:03:14,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:14,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:03:14,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:14,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-06 04:03:14,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:14,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:14,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:14,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:14,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:03:14,813 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 04:03:14,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:14,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:14,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:03:14,936 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:14,938 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:14,941 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:14,956 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:03:14,956 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:03:14,956 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:03:14,956 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:03:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:14,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458597803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:14,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:14,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-06 04:03:14,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772486415] [2021-06-06 04:03:14,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 04:03:14,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:14,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 04:03:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-06 04:03:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:14,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:14,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:14,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:16,179 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 04:03:16,354 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-06-06 04:03:16,618 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-06-06 04:03:16,919 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2021-06-06 04:03:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:19,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable568 [2021-06-06 04:03:19,172 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:19,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:19,173 INFO L82 PathProgramCache]: Analyzing trace with hash -531830278, now seen corresponding path program 33 times [2021-06-06 04:03:19,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:19,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546252038] [2021-06-06 04:03:19,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:19,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:19,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546252038] [2021-06-06 04:03:19,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546252038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:19,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080684921] [2021-06-06 04:03:19,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:19,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 04:03:19,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:19,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-06 04:03:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:20,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:20,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-06 04:03:20,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:20,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:20,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 04:03:20,033 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:20,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:20,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 04:03:20,060 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:147, output treesize:69 [2021-06-06 04:03:20,730 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-06 04:03:20,975 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-06 04:03:21,291 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-06-06 04:03:21,371 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, array_4, v_prenex_142], 5=[array_0, v_prenex_141, v_prenex_139]} [2021-06-06 04:03:21,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-06 04:03:21,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:21,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 04:03:21,389 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:21,470 INFO L628 ElimStorePlain]: treesize reduction 156, result has 44.1 percent of original size [2021-06-06 04:03:21,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-06 04:03:21,474 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:03:21,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:21,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-06 04:03:21,505 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:21,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:21,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:21,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:21,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:03:21,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:21,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:21,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:03:21,531 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:21,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:21,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:21,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-06 04:03:21,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-06 04:03:21,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:03:21,556 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:349, output treesize:21 [2021-06-06 04:03:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:21,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080684921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:21,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:21,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-06-06 04:03:21,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512674508] [2021-06-06 04:03:21,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 04:03:21,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:21,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 04:03:21,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 04:03:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:21,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:21,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:21,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:23,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable574 [2021-06-06 04:03:23,626 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:23,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:23,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1787768622, now seen corresponding path program 34 times [2021-06-06 04:03:23,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:23,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684149725] [2021-06-06 04:03:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:23,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:23,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684149725] [2021-06-06 04:03:23,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684149725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:23,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691775806] [2021-06-06 04:03:23,885 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:23,923 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:03:23,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:23,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 04:03:23,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:24,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:24,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:24,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:24,022 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:24,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:24,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:03:24,035 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:03:24,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:24,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:24,199 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:24,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:24,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:24,215 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:03:24,215 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:03:24,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:03:24,215 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:03:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:24,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691775806] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:24,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:24,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-06 04:03:24,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464648376] [2021-06-06 04:03:24,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 04:03:24,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:24,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 04:03:24,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-06 04:03:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:24,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:24,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:24,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:24,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:25,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-06-06 04:03:25,289 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:25,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash 243804168, now seen corresponding path program 35 times [2021-06-06 04:03:25,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:25,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577935295] [2021-06-06 04:03:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:25,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:25,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577935295] [2021-06-06 04:03:25,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577935295] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:25,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345940504] [2021-06-06 04:03:25,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:26,034 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 04:03:26,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:26,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 04:03:26,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:27,257 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-06 04:03:27,755 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2021-06-06 04:03:28,279 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-06-06 04:03:28,886 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2021-06-06 04:03:29,565 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 195 [2021-06-06 04:03:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-06 04:03:29,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:29,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:29,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-06-06 04:03:29,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:30,050 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-06-06 04:03:30,050 INFO L628 ElimStorePlain]: treesize reduction 124, result has 80.3 percent of original size [2021-06-06 04:03:30,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-06 04:03:30,095 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:30,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-06 04:03:30,116 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:30,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:30,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:30,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2021-06-06 04:03:30,230 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:30,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:30,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-06 04:03:30,337 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:719, output treesize:351 [2021-06-06 04:03:31,748 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_155, v_prenex_157], 21=[array_0, v_prenex_154, v_prenex_156]} [2021-06-06 04:03:31,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2021-06-06 04:03:31,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:31,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-06 04:03:31,772 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:31,917 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-06-06 04:03:31,917 INFO L628 ElimStorePlain]: treesize reduction 76, result has 76.9 percent of original size [2021-06-06 04:03:31,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-06 04:03:31,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:03:31,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:31,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-06-06 04:03:31,995 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:31,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-06 04:03:32,000 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:32,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:03:32,037 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:03:32,041 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:32,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:03:32,077 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:03:32,080 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:32,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:32,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:03:32,120 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:32,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:03:32,123 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:32,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:32,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:03:32,153 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:433, output treesize:31 [2021-06-06 04:03:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:32,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345940504] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:32,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:32,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-06 04:03:32,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947753179] [2021-06-06 04:03:32,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 04:03:32,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:32,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 04:03:32,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 04:03:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:32,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:32,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:34,241 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-06 04:03:34,653 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-06-06 04:03:35,169 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 114 [2021-06-06 04:03:35,837 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2021-06-06 04:03:36,514 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-06-06 04:03:37,336 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 152 [2021-06-06 04:03:38,345 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2021-06-06 04:03:38,724 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:39,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-06-06 04:03:39,146 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:39,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 36 times [2021-06-06 04:03:39,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:39,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606588404] [2021-06-06 04:03:39,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:39,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:39,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606588404] [2021-06-06 04:03:39,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606588404] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:39,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277528284] [2021-06-06 04:03:39,699 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:39,744 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 04:03:39,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:39,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 04:03:39,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:41,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 04:03:41,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2021-06-06 04:03:41,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 04:03:41,414 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 04:03:41,447 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-06 04:03:41,476 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:41,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-06 04:03:41,500 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:41,610 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:03:41,610 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:03:41,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:03:41,616 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:523, output treesize:125 [2021-06-06 04:03:42,339 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_165], 1=[array_0, v_prenex_164]} [2021-06-06 04:03:42,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:42,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:42,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:42,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:42,386 INFO L628 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2021-06-06 04:03:42,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:03:42,389 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:03:42,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:42,405 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 04:03:42,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:42,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:42,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:03:42,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:42,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:42,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:03:42,411 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:42,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:42,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:42,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:03:42,432 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 04:03:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:42,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277528284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:42,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:42,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2021-06-06 04:03:42,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542881317] [2021-06-06 04:03:42,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 04:03:42,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:42,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 04:03:42,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2137, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 04:03:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:42,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:42,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:44,159 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-06 04:03:44,464 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-06-06 04:03:45,028 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-06 04:03:45,332 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 04:03:45,670 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2021-06-06 04:03:45,997 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-06 04:03:46,309 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 04:03:46,696 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-06 04:03:47,016 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-06-06 04:03:47,429 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-06-06 04:03:47,799 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-06 04:03:48,158 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2021-06-06 04:03:48,514 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-06 04:03:48,900 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 04:03:49,266 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-06 04:03:49,624 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:49,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable685 [2021-06-06 04:03:49,948 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:49,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1067550906, now seen corresponding path program 37 times [2021-06-06 04:03:49,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:49,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482381477] [2021-06-06 04:03:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:50,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:50,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482381477] [2021-06-06 04:03:50,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482381477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:50,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901628778] [2021-06-06 04:03:50,302 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:50,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 04:03:50,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:50,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:50,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:50,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:03:50,596 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:50,598 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:50,601 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:03:50,604 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:50,607 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,635 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 04:03:50,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:03:50,636 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:03:50,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:50,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:03:50,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:50,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:50,881 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:03:50,883 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:50,885 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:50,899 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:03:50,899 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:03:50,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:03:50,900 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:03:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:50,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901628778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:50,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:50,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-06 04:03:50,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741952375] [2021-06-06 04:03:50,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 04:03:50,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 04:03:50,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 04:03:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:50,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:50,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:50,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:50,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:50,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:50,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:50,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:50,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:53,755 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-06 04:03:54,265 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 04:03:54,705 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 04:03:55,141 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 04:03:55,592 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 04:03:56,039 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-06 04:03:56,450 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:03:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:03:56,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable706,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:56,780 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:03:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:03:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash -374453650, now seen corresponding path program 38 times [2021-06-06 04:03:56,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:03:56,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34015312] [2021-06-06 04:03:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:03:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:03:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:57,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:03:57,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34015312] [2021-06-06 04:03:57,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34015312] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:57,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846635046] [2021-06-06 04:03:57,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:03:57,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:03:57,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:03:57,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 04:03:57,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:03:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-06 04:03:57,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-06 04:03:57,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:03:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-06 04:03:57,868 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:03:57,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-06 04:03:57,880 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:57,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:57,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:03:57,911 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:107 [2021-06-06 04:03:58,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:03:58,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:58,442 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:03:58,446 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:03:58,450 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:03:58,454 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:03:58,458 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,461 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,464 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,467 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,470 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:03:58,474 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,477 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,479 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:03:58,482 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,526 INFO L628 ElimStorePlain]: treesize reduction 65, result has 48.8 percent of original size [2021-06-06 04:03:58,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:03:58,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:03:58,529 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:03:58,531 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:03:58,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:03:58,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:03:58,548 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-06 04:03:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:03:58,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846635046] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:03:58,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:03:58,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-06 04:03:58,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616777958] [2021-06-06 04:03:58,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 04:03:58,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:03:58,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 04:03:58,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 04:03:58,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:58,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:03:58,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:03:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:03:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:03:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:03:58,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:03:59,715 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 04:04:00,796 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 04:04:01,872 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 04:04:04,409 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-06 04:04:04,654 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-06 04:04:04,849 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:04:05,041 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:04:05,236 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:04:05,433 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:04:05,628 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-06 04:04:05,869 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-06 04:04:06,216 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-06 04:04:06,532 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-06 04:04:06,976 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-06-06 04:04:07,330 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-06 04:04:07,811 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2021-06-06 04:04:08,090 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-06 04:04:08,487 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 123 [2021-06-06 04:04:08,798 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 94 [2021-06-06 04:04:09,216 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2021-06-06 04:04:09,539 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2021-06-06 04:04:09,985 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 133 [2021-06-06 04:04:10,165 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-06 04:04:10,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable714 [2021-06-06 04:04:10,531 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:10,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:10,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1350682300, now seen corresponding path program 39 times [2021-06-06 04:04:10,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:10,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047063096] [2021-06-06 04:04:10,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:10,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:10,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047063096] [2021-06-06 04:04:10,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047063096] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:10,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378860139] [2021-06-06 04:04:10,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:10,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 04:04:10,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:04:10,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 04:04:10,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:10,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:10,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:10,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:04:10,914 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:10,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:10,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:10,927 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 04:04:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:11,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:04:11,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:11,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:11,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:11,096 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:11,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:04:11,098 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:11,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:04:11,100 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:11,114 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:04:11,114 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:04:11,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:11,114 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:04:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:11,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378860139] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:11,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:11,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-06 04:04:11,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566201004] [2021-06-06 04:04:11,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 04:04:11,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:11,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 04:04:11,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-06 04:04:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:11,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:11,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:11,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-06 04:04:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:15,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-06 04:04:15,566 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:15,566 INFO L82 PathProgramCache]: Analyzing trace with hash -693779886, now seen corresponding path program 40 times [2021-06-06 04:04:15,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:15,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106870525] [2021-06-06 04:04:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:16,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:16,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106870525] [2021-06-06 04:04:16,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106870525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:16,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617761260] [2021-06-06 04:04:16,081 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:16,122 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:04:16,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:04:16,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 04:04:16,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:16,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:16,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:04:16,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:16,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:16,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-06 04:04:16,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:16,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:04:16,244 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:16,277 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-06-06 04:04:16,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:16,278 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-06-06 04:04:16,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-06 04:04:16,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:04:16,813 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-06 04:04:16,813 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:04:16,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:16,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2021-06-06 04:04:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:16,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617761260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:16,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:16,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 36 [2021-06-06 04:04:16,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861289246] [2021-06-06 04:04:16,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 04:04:16,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 04:04:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 04:04:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:16,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:16,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:16,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:16,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:16,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:16,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:16,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:16,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:18,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:18,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-06 04:04:18,653 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:18,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1289985842, now seen corresponding path program 41 times [2021-06-06 04:04:18,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:18,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062856110] [2021-06-06 04:04:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:18,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:18,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062856110] [2021-06-06 04:04:18,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062856110] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:18,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526771654] [2021-06-06 04:04:18,996 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:19,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 04:04:19,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:04:19,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 04:04:19,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:19,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:19,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:19,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:19,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:04:19,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:19,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:19,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:19,166 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:04:19,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:19,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:19,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:19,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:04:19,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:19,386 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:04:19,386 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:04:19,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:04:19,388 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:04:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:19,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526771654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:19,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:19,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-06 04:04:19,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102232450] [2021-06-06 04:04:19,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 04:04:19,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:19,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 04:04:19,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 04:04:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:19,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:19,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:19,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:19,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:19,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:20,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable757,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:20,938 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:20,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1992407172, now seen corresponding path program 42 times [2021-06-06 04:04:20,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:20,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663319719] [2021-06-06 04:04:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:21,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:21,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663319719] [2021-06-06 04:04:21,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663319719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:21,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960568358] [2021-06-06 04:04:21,744 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:21,793 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 04:04:21,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:04:21,794 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 116 conjunts are in the unsatisfiable core [2021-06-06 04:04:21,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:22,576 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-06 04:04:23,313 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-06 04:04:23,782 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-06 04:04:24,259 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 04:04:24,883 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-06-06 04:04:25,480 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-06 04:04:26,275 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-06 04:04:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-06 04:04:26,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:26,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:26,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-06 04:04:26,727 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:27,239 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2021-06-06 04:04:27,240 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-06 04:04:27,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-06 04:04:27,302 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:27,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-06 04:04:27,332 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:27,532 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-06 04:04:27,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-06-06 04:04:27,595 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:27,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:27,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-06 04:04:27,625 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:27,793 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-06 04:04:27,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:27,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-06 04:04:27,803 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:878, output treesize:522 [2021-06-06 04:04:28,118 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 149 [2021-06-06 04:04:29,269 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 04:04:29,747 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-06 04:04:30,207 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-06 04:04:30,734 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 04:04:31,276 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 04:04:31,834 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-06 04:04:32,088 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_209, array_4, v_prenex_211, v_prenex_213, v_prenex_215], 28=[v_prenex_208, array_0, v_prenex_210, v_prenex_212, v_prenex_214]} [2021-06-06 04:04:32,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 61 [2021-06-06 04:04:32,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-06 04:04:32,123 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:04:32,529 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 192 [2021-06-06 04:04:32,529 INFO L628 ElimStorePlain]: treesize reduction 206, result has 73.1 percent of original size [2021-06-06 04:04:32,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-06 04:04:32,553 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 65 [2021-06-06 04:04:32,561 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,684 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-06-06 04:04:32,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:32,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-06 04:04:32,692 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-06 04:04:32,808 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-06 04:04:32,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:32,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-06 04:04:32,831 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2021-06-06 04:04:32,839 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:32,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-06 04:04:32,924 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:32,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:32,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:32,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:04:32,995 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:32,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:32,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:04:33,000 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:04:33,076 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:04:33,081 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,141 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:04:33,146 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:04:33,150 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:04:33,220 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:33,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:04:33,224 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:33,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:33,281 INFO L518 ElimStorePlain]: Eliminatee v_prenex_214 vanished before elimination [2021-06-06 04:04:33,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 04:04:33,284 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:870, output treesize:81 [2021-06-06 04:04:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:33,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960568358] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:33,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:33,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-06-06 04:04:33,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757041471] [2021-06-06 04:04:33,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 04:04:33,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:33,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 04:04:33,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2506, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 04:04:33,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:33,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:33,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:33,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:33,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:36,474 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-06 04:04:36,867 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2021-06-06 04:04:37,596 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-06 04:04:38,503 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2021-06-06 04:04:39,567 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2021-06-06 04:04:40,693 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 269 [2021-06-06 04:04:41,955 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2021-06-06 04:04:43,254 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 307 DAG size of output: 277 [2021-06-06 04:04:43,972 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 211 [2021-06-06 04:04:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:44,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable760 [2021-06-06 04:04:44,544 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:44,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1425792356, now seen corresponding path program 43 times [2021-06-06 04:04:44,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:44,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055594624] [2021-06-06 04:04:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:45,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:45,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055594624] [2021-06-06 04:04:45,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055594624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:45,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303667537] [2021-06-06 04:04:45,139 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:45,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 04:04:45,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 04:04:47,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-06 04:04:47,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-06 04:04:47,425 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 62 [2021-06-06 04:04:47,462 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 04:04:47,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:04:47,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 04:04:47,530 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:47,631 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:04:47,631 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:04:47,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:04:47,635 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:589, output treesize:125 [2021-06-06 04:04:48,476 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 04:04:48,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:04:48,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:48,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:04:48,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:04:48,506 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 04:04:48,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:48,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:04:48,509 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:48,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:04:48,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:48,516 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 04:04:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:48,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303667537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:48,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:48,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-06-06 04:04:48,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731455808] [2021-06-06 04:04:48,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 04:04:48,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:48,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 04:04:48,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2601, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 04:04:48,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:48,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:48,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:48,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:52,462 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-06-06 04:04:52,791 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 04:04:53,111 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 04:04:53,450 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 04:04:53,785 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 04:04:54,112 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-06 04:04:54,441 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-06 04:04:54,760 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-06 04:04:55,146 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-06-06 04:04:55,484 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 04:04:55,850 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-06 04:04:56,182 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:56,515 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:56,856 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:57,194 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:57,531 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:57,887 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-06 04:04:58,238 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2021-06-06 04:04:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:58,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:04:58,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-06-06 04:04:58,516 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:04:58,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:04:58,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1907441810, now seen corresponding path program 44 times [2021-06-06 04:04:58,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:04:58,516 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18298171] [2021-06-06 04:04:58,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:04:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:04:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:58,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:04:58,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18298171] [2021-06-06 04:04:58,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18298171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:58,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907732937] [2021-06-06 04:04:58,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:04:59,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:04:59,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:04:59,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 04:04:59,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:04:59,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:04:59,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:04:59,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:04:59,328 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:04:59,331 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:59,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:04:59,343 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:59,346 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,375 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-06 04:04:59,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:04:59,375 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:04:59,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:59,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:04:59,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:04:59,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:04:59,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:04:59,684 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:04:59,686 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:04:59,701 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:04:59,701 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:04:59,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:04:59,701 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:04:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:04:59,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907732937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:04:59,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:04:59,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-06 04:04:59,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823795181] [2021-06-06 04:04:59,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 04:04:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:04:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 04:04:59,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 04:04:59,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:04:59,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:04:59,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:59,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:04:59,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:04,212 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-06 04:05:05,678 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:07,275 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:09,370 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:10,883 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:12,377 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:13,806 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-06 04:05:14,645 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2021-06-06 04:05:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:15,023 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable921 [2021-06-06 04:05:15,023 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:05:15,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:05:15,023 INFO L82 PathProgramCache]: Analyzing trace with hash -2002335374, now seen corresponding path program 45 times [2021-06-06 04:05:15,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:05:15,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45286078] [2021-06-06 04:05:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:05:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:15,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:05:15,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45286078] [2021-06-06 04:05:15,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45286078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:15,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202735523] [2021-06-06 04:05:15,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:15,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 04:05:15,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:05:15,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 04:05:15,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:05:16,831 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-06 04:05:17,061 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 04:05:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-06 04:05:17,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:17,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-06-06 04:05:17,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:17,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-06 04:05:17,208 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:17,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-06 04:05:17,228 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:17,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:17,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:05:17,276 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:401, output treesize:125 [2021-06-06 04:05:18,760 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-06 04:05:18,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:18,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:05:18,772 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:05:18,777 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:05:18,783 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:05:18,788 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-06 04:05:18,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:18,799 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:18,804 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:05:18,810 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-06 04:05:18,815 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:05:18,820 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:18,824 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:18,987 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-06-06 04:05:18,987 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-06-06 04:05:18,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:18,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:05:18,993 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:19,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:19,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:19,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:05:19,014 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:19,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:19,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:05:19,018 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:19,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:19,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 04:05:19,086 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-06-06 04:05:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:19,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202735523] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:19,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:05:19,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-06-06 04:05:19,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144482371] [2021-06-06 04:05:19,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 04:05:19,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:05:19,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 04:05:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2146, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 04:05:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:19,251 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:05:19,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:19,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:19,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:19,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:21,555 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2021-06-06 04:05:21,766 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2021-06-06 04:05:21,990 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-06 04:05:22,230 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-06 04:05:22,448 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-06 04:05:22,809 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2021-06-06 04:05:23,275 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2021-06-06 04:05:23,685 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 04:05:24,082 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 04:05:24,490 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 04:05:24,884 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-06 04:05:25,305 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 04:05:25,735 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-06 04:05:26,189 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-06 04:05:26,835 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 186 [2021-06-06 04:05:27,183 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-06-06 04:05:27,416 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:27,641 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:27,870 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:28,098 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:28,340 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:28,568 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-06 04:05:28,779 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-06-06 04:05:29,240 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-06-06 04:05:29,932 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-06-06 04:05:30,236 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2021-06-06 04:05:30,419 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-06-06 04:05:30,625 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2021-06-06 04:05:30,823 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-06-06 04:05:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:31,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:31,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-06-06 04:05:31,322 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:05:31,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:05:31,322 INFO L82 PathProgramCache]: Analyzing trace with hash 625211748, now seen corresponding path program 46 times [2021-06-06 04:05:31,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:05:31,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923297186] [2021-06-06 04:05:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:05:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:31,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:05:31,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923297186] [2021-06-06 04:05:31,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923297186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:31,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932222575] [2021-06-06 04:05:31,660 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:31,706 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:05:31,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:05:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 04:05:31,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:05:31,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:31,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:31,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:31,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:31,833 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:31,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:31,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:05:31,847 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:05:32,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:05:32,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:32,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:32,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:32,081 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:32,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:32,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:05:32,085 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:32,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:05:32,088 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:32,108 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:05:32,108 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:05:32,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:05:32,108 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:05:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:32,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932222575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:32,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:05:32,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-06 04:05:32,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546618350] [2021-06-06 04:05:32,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 04:05:32,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:05:32,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 04:05:32,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 04:05:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:32,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:05:32,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:32,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:38,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable968,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:38,221 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:05:38,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:05:38,221 INFO L82 PathProgramCache]: Analyzing trace with hash 598180346, now seen corresponding path program 47 times [2021-06-06 04:05:38,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:05:38,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24880166] [2021-06-06 04:05:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:05:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:38,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:05:38,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24880166] [2021-06-06 04:05:38,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24880166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:38,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417290984] [2021-06-06 04:05:38,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:38,787 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 04:05:38,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:05:38,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-06 04:05:38,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:05:38,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:38,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:38,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:05:38,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:38,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:38,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:05:38,925 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-06 04:05:39,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:39,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-06-06 04:05:39,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:39,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:39,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-06-06 04:05:39,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:39,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:39,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-06 04:05:39,475 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:39,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:05:39,477 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:39,517 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-06 04:05:39,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:39,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:05:39,520 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:39,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:05:39,523 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:39,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:39,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:39,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:05:39,548 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:293, output treesize:38 [2021-06-06 04:05:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:39,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417290984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:39,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:05:39,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-06-06 04:05:39,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18792981] [2021-06-06 04:05:39,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 04:05:39,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:05:39,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 04:05:39,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 04:05:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:39,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:05:39,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:05:39,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:39,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:39,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:39,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:39,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:39,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:41,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable975 [2021-06-06 04:05:41,515 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:05:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:05:41,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1154433710, now seen corresponding path program 48 times [2021-06-06 04:05:41,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:05:41,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943484687] [2021-06-06 04:05:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:05:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:41,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:05:41,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943484687] [2021-06-06 04:05:41,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943484687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:41,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939507913] [2021-06-06 04:05:41,933 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:41,987 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 04:05:41,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:05:41,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 04:05:41,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:05:42,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:42,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:42,122 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:42,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:42,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:05:42,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:05:42,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:42,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:05:42,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:42,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:05:42,397 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:42,411 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:05:42,411 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:05:42,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:05:42,411 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:05:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:42,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939507913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:42,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:05:42,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-06 04:05:42,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274985096] [2021-06-06 04:05:42,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 04:05:42,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:05:42,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 04:05:42,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 04:05:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:42,446 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:05:42,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:42,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:42,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:44,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable990,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:44,420 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:05:44,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:05:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2085258376, now seen corresponding path program 49 times [2021-06-06 04:05:44,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:05:44,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835187785] [2021-06-06 04:05:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:05:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:45,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:05:45,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835187785] [2021-06-06 04:05:45,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835187785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:45,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610874247] [2021-06-06 04:05:45,957 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:05:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:05:46,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-06 04:05:46,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:05:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 04:05:48,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 04:05:48,336 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:48,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 04:05:48,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:48,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 04:05:48,482 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:48,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:48,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:05:48,522 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:107 [2021-06-06 04:05:49,433 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 04:05:49,776 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-06 04:05:50,166 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-06 04:05:50,623 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-06 04:05:51,143 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-06 04:05:51,752 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-06 04:05:52,416 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 04:05:52,525 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 153=[array_0]} [2021-06-06 04:05:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 76 [2021-06-06 04:05:52,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 04:05:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 04:05:52,618 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-06 04:05:52,665 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:52,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 63 [2021-06-06 04:05:52,713 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 04:05:52,801 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 04:05:52,847 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 04:05:52,894 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 04:05:52,941 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:52,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 78 [2021-06-06 04:05:52,987 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:52,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:05:53,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 04:05:53,012 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-06 04:05:53,283 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-06-06 04:05:53,284 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-06-06 04:05:53,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:05:53,291 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:05:53,297 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:53,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:05:53,312 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-06 04:05:53,318 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:53,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:05:53,337 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:05:53,343 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:05:53,349 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-06 04:05:53,355 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:53,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:05:53,369 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:05:53,374 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:05:53,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:05:53,382 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 04:05:53,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:53,493 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 04:05:53,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:05:53,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 04:05:53,498 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1181, output treesize:185 [2021-06-06 04:05:53,728 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-06 04:05:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:05:53,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610874247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:05:53,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:05:53,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-06 04:05:53,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439902923] [2021-06-06 04:05:53,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-06 04:05:53,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:05:53,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-06 04:05:53,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3281, Unknown=0, NotChecked=0, Total=3422 [2021-06-06 04:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:53,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:05:53,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:53,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:53,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:05:57,106 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2021-06-06 04:05:57,375 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2021-06-06 04:05:57,655 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 04:05:57,960 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-06 04:05:58,254 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2021-06-06 04:05:58,580 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 04:05:58,864 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-06 04:05:59,151 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2021-06-06 04:05:59,600 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:05:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:05:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:00,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable993 [2021-06-06 04:06:00,097 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:00,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:00,097 INFO L82 PathProgramCache]: Analyzing trace with hash -226170820, now seen corresponding path program 50 times [2021-06-06 04:06:00,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:00,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131262794] [2021-06-06 04:06:00,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:01,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:01,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131262794] [2021-06-06 04:06:01,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131262794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:01,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168985177] [2021-06-06 04:06:01,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:01,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:06:01,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:06:01,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 04:06:01,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:06:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:03,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2021-06-06 04:06:03,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-06 04:06:04,038 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 04:06:04,087 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 04:06:04,134 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 04:06:04,187 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:04,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-06 04:06:04,225 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:04,338 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:06:04,338 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:06:04,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:06:04,342 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:655, output treesize:125 [2021-06-06 04:06:05,441 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_256], 1=[array_0, v_prenex_255]} [2021-06-06 04:06:05,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:06:05,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:06:05,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:06:05,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:05,496 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-06 04:06:05,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:06:05,499 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:05,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:05,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:05,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:05,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:06:05,521 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:05,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:05,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:06:05,524 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:05,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:05,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:05,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_255 vanished before elimination [2021-06-06 04:06:05,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:06:05,546 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-06 04:06:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:05,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168985177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:05,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:06:05,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2021-06-06 04:06:05,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937410406] [2021-06-06 04:06:05,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-06 04:06:05,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:06:05,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-06 04:06:05,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3389, Unknown=0, NotChecked=0, Total=3540 [2021-06-06 04:06:05,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:05,619 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:06:05,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:06:05,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:05,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:05,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:05,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:05,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:08,531 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-06-06 04:06:08,966 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 154 [2021-06-06 04:06:09,385 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 04:06:09,817 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 04:06:10,274 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-06 04:06:10,709 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 145 [2021-06-06 04:06:11,166 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2021-06-06 04:06:11,594 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-06 04:06:12,059 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-06 04:06:12,576 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-06-06 04:06:13,011 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2021-06-06 04:06:13,586 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 04:06:14,080 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-06 04:06:14,610 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-06 04:06:15,117 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 04:06:15,614 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110 [2021-06-06 04:06:16,095 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-06 04:06:16,596 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 04:06:17,077 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-06 04:06:17,591 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:17,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1036 [2021-06-06 04:06:17,946 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:17,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:17,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2058776390, now seen corresponding path program 51 times [2021-06-06 04:06:17,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:17,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145762538] [2021-06-06 04:06:17,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:18,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:18,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145762538] [2021-06-06 04:06:18,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145762538] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:18,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707607817] [2021-06-06 04:06:18,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:18,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 04:06:18,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:06:18,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 04:06:18,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:06:18,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:18,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:06:18,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:06:18,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:06:18,930 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:18,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:06:18,933 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:06:18,936 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:18,938 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:18,966 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-06 04:06:18,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:06:18,966 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:06:19,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:06:19,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:19,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-06 04:06:19,333 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:19,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:19,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:06:19,336 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:19,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:06:19,339 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:19,355 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-06 04:06:19,355 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:06:19,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:06:19,355 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:06:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:19,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707607817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:19,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:06:19,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-06 04:06:19,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862659838] [2021-06-06 04:06:19,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 04:06:19,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:06:19,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 04:06:19,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2318, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 04:06:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:19,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:06:19,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:06:19,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:19,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:19,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:19,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:19,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:23,740 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-06-06 04:06:25,144 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 182 DAG size of output: 138 [2021-06-06 04:06:26,646 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 187 DAG size of output: 142 [2021-06-06 04:06:27,789 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 146 [2021-06-06 04:06:29,059 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 162 [2021-06-06 04:06:31,038 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-06-06 04:06:33,144 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 203 DAG size of output: 171 [2021-06-06 04:06:35,146 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 206 DAG size of output: 161 [2021-06-06 04:06:35,864 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2021-06-06 04:06:36,534 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 158 [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:36,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1063,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:36,893 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:36,893 INFO L82 PathProgramCache]: Analyzing trace with hash 876051950, now seen corresponding path program 52 times [2021-06-06 04:06:36,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:36,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447071722] [2021-06-06 04:06:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:37,627 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:37,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447071722] [2021-06-06 04:06:37,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447071722] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:37,627 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29976443] [2021-06-06 04:06:37,627 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:37,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:06:37,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:06:37,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-06 04:06:37,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:06:38,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-06 04:06:38,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-06 04:06:38,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-06-06 04:06:38,541 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:06:38,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-06 04:06:38,564 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-06 04:06:38,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-06 04:06:38,625 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-06 04:06:38,630 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:38,678 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-06 04:06:38,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-06 04:06:38,679 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:501, output treesize:95 [2021-06-06 04:06:39,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:06:39,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:06:39,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:06:39,472 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:06:39,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-06 04:06:39,480 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:39,483 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:39,486 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:06:39,490 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:06:39,494 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:39,497 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-06 04:06:39,500 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:39,503 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,550 INFO L628 ElimStorePlain]: treesize reduction 84, result has 42.5 percent of original size [2021-06-06 04:06:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:39,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:06:39,554 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:06:39,556 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:39,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:39,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-06 04:06:39,574 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-06 04:06:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:39,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29976443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:39,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:06:39,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-06-06 04:06:39,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052429045] [2021-06-06 04:06:39,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 04:06:39,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:06:39,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 04:06:39,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2416, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 04:06:39,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:39,705 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:06:39,705 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:39,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:39,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:39,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:39,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:42,156 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-06 04:06:42,876 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-06 04:06:43,060 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-06 04:06:43,716 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 04:06:43,888 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 04:06:44,059 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 04:06:44,229 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-06 04:06:44,788 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-06-06 04:06:45,187 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:46,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1072 [2021-06-06 04:06:46,943 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:46,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:46,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2021273276, now seen corresponding path program 53 times [2021-06-06 04:06:46,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:46,944 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290434239] [2021-06-06 04:06:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:47,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:47,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290434239] [2021-06-06 04:06:47,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290434239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:47,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172887280] [2021-06-06 04:06:47,346 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:47,402 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 04:06:47,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:06:47,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 04:06:47,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:06:47,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:06:47,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:06:47,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:47,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:06:47,531 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-06 04:06:47,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:06:47,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:47,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:06:47,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:47,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:06:47,780 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:06:47,782 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:47,796 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:06:47,796 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:06:47,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:06:47,797 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:06:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:47,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172887280] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:47,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:06:47,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-06 04:06:47,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866907743] [2021-06-06 04:06:47,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 04:06:47,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:06:47,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 04:06:47,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 04:06:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:47,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:06:47,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:47,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:47,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:47,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:47,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:47,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:06:54,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1106,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:54,292 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:54,293 INFO L82 PathProgramCache]: Analyzing trace with hash -992362670, now seen corresponding path program 54 times [2021-06-06 04:06:54,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:54,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083133234] [2021-06-06 04:06:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:54,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:54,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083133234] [2021-06-06 04:06:54,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083133234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:54,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920365721] [2021-06-06 04:06:54,896 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:54,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 04:06:54,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:06:54,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-06 04:06:54,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:06:55,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:55,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:55,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:06:55,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:55,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:55,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:06:55,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:55,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:55,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 04:06:55,421 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-06 04:06:56,381 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-06 04:06:56,599 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-06 04:06:56,858 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-06 04:06:56,907 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 66=[array_0]} [2021-06-06 04:06:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:56,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-06 04:06:56,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:56,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-06 04:06:56,989 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:06:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-06-06 04:06:57,030 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:06:57,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-06 04:06:57,052 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:57,136 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-06 04:06:57,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:06:57,141 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:57,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:06:57,145 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:57,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:57,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:06:57,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-06 04:06:57,156 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:06:57,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:06:57,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:06:57,192 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:457, output treesize:55 [2021-06-06 04:06:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:57,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920365721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:57,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:06:57,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-06-06 04:06:57,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910240260] [2021-06-06 04:06:57,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 04:06:57,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:06:57,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 04:06:57,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 04:06:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:57,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:06:57,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:57,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:06:57,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:06:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:06:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:06:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:06:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:06:59,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1112 [2021-06-06 04:06:59,424 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:06:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:06:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1143142734, now seen corresponding path program 55 times [2021-06-06 04:06:59,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:06:59,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036731123] [2021-06-06 04:06:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:06:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:06:59,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:06:59,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036731123] [2021-06-06 04:06:59,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036731123] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:06:59,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104619233] [2021-06-06 04:06:59,905 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:06:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:06:59,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 04:06:59,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:07:00,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:00,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:07:00,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:00,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:07:00,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:00,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:00,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:07:00,129 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-06 04:07:00,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:00,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:07:00,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:00,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-06 04:07:00,444 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:00,476 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-06 04:07:00,476 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:07:00,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:07:00,476 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-06 04:07:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:07:00,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104619233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:07:00,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:07:00,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-06-06 04:07:00,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137304885] [2021-06-06 04:07:00,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-06 04:07:00,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:07:00,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-06 04:07:00,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-06-06 04:07:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:00,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:07:00,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:00,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:00,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:07:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:07:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:02,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1138,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:07:02,933 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:07:02,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:07:02,933 INFO L82 PathProgramCache]: Analyzing trace with hash -420134652, now seen corresponding path program 56 times [2021-06-06 04:07:02,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:07:02,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963754560] [2021-06-06 04:07:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:07:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:07:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:07:04,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:07:04,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963754560] [2021-06-06 04:07:04,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963754560] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:07:04,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140247149] [2021-06-06 04:07:04,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:07:04,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:07:04,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:07:04,345 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-06-06 04:07:04,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:07:06,174 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 04:07:06,707 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-06 04:07:07,128 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 04:07:07,610 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-06 04:07:08,180 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-06-06 04:07:08,744 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-06 04:07:09,405 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-06 04:07:10,111 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-06 04:07:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-06 04:07:10,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-06-06 04:07:10,330 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:10,521 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-06 04:07:10,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:10,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-06 04:07:10,627 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:10,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:10,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-06-06 04:07:10,676 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:10,792 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-06 04:07:10,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:10,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-06 04:07:10,800 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:702, output treesize:402 [2021-06-06 04:07:12,281 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-06 04:07:12,964 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 04:07:13,627 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 04:07:14,439 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 04:07:15,293 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 04:07:16,128 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 04:07:16,962 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-06 04:07:17,703 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 04:07:18,425 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-06 04:07:18,554 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_306, v_prenex_308, array_4, v_prenex_302, v_prenex_304], 45=[v_prenex_305, v_prenex_307, array_0, v_prenex_301, v_prenex_303]} [2021-06-06 04:07:18,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-06-06 04:07:18,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:18,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-06 04:07:18,605 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:07:19,086 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-06-06 04:07:19,087 INFO L628 ElimStorePlain]: treesize reduction 237, result has 73.5 percent of original size [2021-06-06 04:07:19,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-06 04:07:19,124 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-06-06 04:07:19,151 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,297 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-06 04:07:19,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-06 04:07:19,307 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,436 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-06 04:07:19,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-06-06 04:07:19,471 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-06-06 04:07:19,480 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-06 04:07:19,570 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-06 04:07:19,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:07:19,647 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:07:19,653 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-06 04:07:19,733 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-06 04:07:19,738 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,801 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-06 04:07:19,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-06 04:07:19,807 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-06 04:07:19,811 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:07:19,877 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:19,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-06 04:07:19,881 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:19,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:19,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-06 04:07:19,945 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1033, output treesize:70 [2021-06-06 04:07:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:07:20,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140247149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:07:20,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:07:20,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-06 04:07:20,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207957832] [2021-06-06 04:07:20,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-06 04:07:20,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:07:20,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-06 04:07:20,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3773, Unknown=0, NotChecked=0, Total=3906 [2021-06-06 04:07:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:20,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:07:20,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:20,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:20,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:27,476 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2021-06-06 04:07:28,202 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 149 [2021-06-06 04:07:29,042 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 196 [2021-06-06 04:07:30,012 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 201 [2021-06-06 04:07:31,037 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2021-06-06 04:07:32,119 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-06-06 04:07:33,351 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2021-06-06 04:07:34,743 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-06 04:07:36,100 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-06-06 04:07:36,860 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:07:37,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:37,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1141,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:07:37,650 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:07:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:07:37,650 INFO L82 PathProgramCache]: Analyzing trace with hash 709111908, now seen corresponding path program 57 times [2021-06-06 04:07:37,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:07:37,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410962671] [2021-06-06 04:07:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:07:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:07:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:07:38,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:07:38,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410962671] [2021-06-06 04:07:38,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410962671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:07:38,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162489130] [2021-06-06 04:07:38,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:07:38,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 04:07:38,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:07:38,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-06 04:07:38,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:07:39,792 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-06 04:07:41,534 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-06 04:07:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-06 04:07:42,414 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 76 [2021-06-06 04:07:42,477 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-06-06 04:07:42,540 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 04:07:42,596 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-06 04:07:42,647 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:07:42,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-06 04:07:42,674 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:42,783 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-06 04:07:42,784 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-06 04:07:42,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-06 04:07:42,788 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-06-06 04:07:44,071 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-06 04:07:44,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-06 04:07:44,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:07:44,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-06 04:07:44,077 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:44,101 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-06 04:07:44,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:07:44,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-06 04:07:44,103 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:07:44,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:07:44,110 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:07:44,110 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-06 04:07:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:07:44,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162489130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:07:44,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:07:44,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2021-06-06 04:07:44,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071763363] [2021-06-06 04:07:44,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-06 04:07:44,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:07:44,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-06 04:07:44,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3967, Unknown=0, NotChecked=0, Total=4160 [2021-06-06 04:07:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:44,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:07:44,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 65 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:07:44,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:07:44,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:07:44,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:07:50,895 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-06 04:07:51,379 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:51,845 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-06 04:07:52,338 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:52,845 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:53,341 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:53,848 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:54,327 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:54,841 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-06 04:07:55,346 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-06 04:07:55,979 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-06 04:07:56,560 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-06 04:07:57,217 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-06-06 04:07:57,774 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:07:58,327 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:07:58,912 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:07:59,484 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:08:00,061 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:08:00,704 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:08:01,283 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:08:01,857 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-06 04:08:02,433 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:08:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:08:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:08:02,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1237,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:08:02,778 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:08:02,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:08:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1165184402, now seen corresponding path program 58 times [2021-06-06 04:08:02,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:08:02,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182729847] [2021-06-06 04:08:02,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:08:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:08:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:08:03,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:08:03,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182729847] [2021-06-06 04:08:03,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182729847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:08:03,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176013483] [2021-06-06 04:08:03,439 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:08:03,492 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:08:03,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:08:03,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 04:08:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:08:03,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:08:03,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:08:03,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:08:03,941 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:08:03,944 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:08:03,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:08:03,946 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:08:03,949 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:08:03,951 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:03,977 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-06 04:08:03,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-06 04:08:03,978 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-06 04:08:04,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-06 04:08:04,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:04,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:08:04,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 04:08:04,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:04,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 04:08:04,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-06 04:08:04,426 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:04,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 04:08:04,428 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:08:04,443 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-06 04:08:04,443 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-06 04:08:04,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:08:04,444 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-06 04:08:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:08:04,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176013483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:08:04,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:08:04,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-06-06 04:08:04,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429346846] [2021-06-06 04:08:04,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 04:08:04,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:08:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 04:08:04,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 04:08:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:08:04,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:08:04,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:08:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:08:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:08:10,305 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 288 DAG size of output: 266 [2021-06-06 04:08:12,087 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-06 04:08:12,862 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-06 04:08:13,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1261,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:08:13,065 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:183) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-06-06 04:08:13,068 INFO L168 Benchmark]: Toolchain (without parser) took 425071.60 ms. Allocated memory was 337.6 MB in the beginning and 861.9 MB in the end (delta: 524.3 MB). Free memory was 316.9 MB in the beginning and 216.6 MB in the end (delta: 100.3 MB). Peak memory consumption was 626.3 MB. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 337.6 MB. Free memory is still 318.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.73 ms. Allocated memory is still 337.6 MB. Free memory was 316.8 MB in the beginning and 315.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L168 Benchmark]: Boogie Preprocessor took 17.47 ms. Allocated memory is still 337.6 MB. Free memory was 315.3 MB in the beginning and 314.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L168 Benchmark]: RCFGBuilder took 290.71 ms. Allocated memory is still 337.6 MB. Free memory was 314.2 MB in the beginning and 317.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L168 Benchmark]: TraceAbstraction took 424736.83 ms. Allocated memory was 337.6 MB in the beginning and 861.9 MB in the end (delta: 524.3 MB). Free memory was 317.9 MB in the beginning and 216.6 MB in the end (delta: 101.3 MB). Peak memory consumption was 626.1 MB. Max. memory is 16.0 GB. [2021-06-06 04:08:13,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 337.6 MB. Free memory is still 318.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.73 ms. Allocated memory is still 337.6 MB. Free memory was 316.8 MB in the beginning and 315.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.47 ms. Allocated memory is still 337.6 MB. Free memory was 315.3 MB in the beginning and 314.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 290.71 ms. Allocated memory is still 337.6 MB. Free memory was 314.2 MB in the beginning and 317.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 424736.83 ms. Allocated memory was 337.6 MB in the beginning and 861.9 MB in the end (delta: 524.3 MB). Free memory was 317.9 MB in the beginning and 216.6 MB in the end (delta: 101.3 MB). Peak memory consumption was 626.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...