/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistent-NoLbe-Lockstep.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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:04:32,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:04:32,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:04:32,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:04:32,880 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:04:32,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:04:32,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:04:32,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:04:32,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:04:32,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:04:32,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:04:32,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:04:32,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:04:32,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:04:32,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:04:32,907 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:04:32,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:04:33,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:04:33,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:04:33,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:04:33,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:04:33,153 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:04:33,154 INFO L432 ainManager$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 [2021-07-14 13:04:33,171 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-07-14 13:04:33,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:04:33,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:04:33,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:04:33,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:04:33,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:04:33,216 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,222 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:04:33,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:04:33,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:04:33,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:04:33,240 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,240 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,242 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,242 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,244 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,245 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,246 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 14.07 01:04:33" (1/1) ... [2021-07-14 13:04:33,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:04:33,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:04:33,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:04:33,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:04:33,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:04:33" (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 [2021-07-14 13:04:33,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:04:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:04:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:04:33,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:04:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:04:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:04:33,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:04:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:04:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:04:33,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 13:04:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 13:04:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 13:04:33,315 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:04:33,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:04:33,637 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-14 13:04:33,637 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 13:04:33,637 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 13:04:33,638 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 13:04:33,639 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:04:33 BoogieIcfgContainer [2021-07-14 13:04:33,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:04:33,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:04:33,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:04:33,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:04:33,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:04:33" (1/2) ... [2021-07-14 13:04:33,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668810f2 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:04:33, skipping insertion in model container [2021-07-14 13:04:33,643 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 14.07 01:04:33" (2/2) ... [2021-07-14 13:04:33,644 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-07-14 13:04:33,648 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:04:33,648 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:04:33,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:04:33,648 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:04:33,682 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 13:04:33,706 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 [2021-07-14 13:04:33,750 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:04:33,750 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:04:33,750 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:04:33,750 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:04:33,750 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:04:33,750 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:04:33,750 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:04:33,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:04:33,843 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:33,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2084068600, now seen corresponding path program 1 times [2021-07-14 13:04:33,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:33,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387877224] [2021-07-14 13:04:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:34,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:34,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387877224] [2021-07-14 13:04:34,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387877224] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:04:34,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:04:34,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 13:04:34,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442271934] [2021-07-14 13:04:34,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 13:04:34,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:34,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 13:04:34,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 13:04:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:34,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:34,036 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) [2021-07-14 13:04:34,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:34,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:34,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:04:34,102 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:34,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:34,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1483038554, now seen corresponding path program 1 times [2021-07-14 13:04:34,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:34,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447220127] [2021-07-14 13:04:34,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:34,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:34,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447220127] [2021-07-14 13:04:34,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447220127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:34,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423281871] [2021-07-14 13:04:34,202 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 [2021-07-14 13:04:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:34,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:04:34,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:34,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423281871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:34,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:34,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 13:04:34,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309928908] [2021-07-14 13:04:34,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 13:04:34,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:34,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 13:04:34,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 13:04:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:34,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:34,435 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) [2021-07-14 13:04:34,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:34,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:34,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:34,755 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:34,755 INFO L82 PathProgramCache]: Analyzing trace with hash -180956976, now seen corresponding path program 1 times [2021-07-14 13:04:34,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:34,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574851096] [2021-07-14 13:04:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:34,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:34,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574851096] [2021-07-14 13:04:34,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574851096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:34,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321803082] [2021-07-14 13:04:34,806 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 [2021-07-14 13:04:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:34,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 13:04:34,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:34,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321803082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:34,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:34,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 13:04:34,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572125540] [2021-07-14 13:04:34,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 13:04:34,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:34,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 13:04:34,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-14 13:04:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:34,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:34,980 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) [2021-07-14 13:04:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:35,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:35,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:35,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:35,357 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:35,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:35,357 INFO L82 PathProgramCache]: Analyzing trace with hash 479848854, now seen corresponding path program 1 times [2021-07-14 13:04:35,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:35,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198648558] [2021-07-14 13:04:35,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:35,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:35,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198648558] [2021-07-14 13:04:35,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198648558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:35,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356363466] [2021-07-14 13:04:35,431 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 [2021-07-14 13:04:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:35,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 13:04:35,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:35,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356363466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:35,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:35,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 13:04:35,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776504981] [2021-07-14 13:04:35,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 13:04:35,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:35,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 13:04:35,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 13:04:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:35,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:35,599 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) [2021-07-14 13:04:35,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:35,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:35,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:35,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:35,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:35,903 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash -639898996, now seen corresponding path program 1 times [2021-07-14 13:04:35,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:35,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635551416] [2021-07-14 13:04:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:35,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:35,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635551416] [2021-07-14 13:04:35,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635551416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:35,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176465912] [2021-07-14 13:04:35,959 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 [2021-07-14 13:04:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:35,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:04:35,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:36,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176465912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:36,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:36,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 13:04:36,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733679617] [2021-07-14 13:04:36,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 13:04:36,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:36,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 13:04:36,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 13:04:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:36,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:36,055 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) [2021-07-14 13:04:36,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:36,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:36,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:36,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:36,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:36,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:36,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 13:04:36,357 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:36,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:36,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1638627788, now seen corresponding path program 1 times [2021-07-14 13:04:36,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:36,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575183204] [2021-07-14 13:04:36,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:36,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:36,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575183204] [2021-07-14 13:04:36,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575183204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:36,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594231837] [2021-07-14 13:04:36,664 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 [2021-07-14 13:04:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:36,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 13:04:36,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:36,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:36,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,048 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:37,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,104 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:37,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,108 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 25 treesize of output 19 [2021-07-14 13:04:37,112 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:37,166 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. [2021-07-14 13:04:37,166 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:111 [2021-07-14 13:04:37,572 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-07-14 13:04:37,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 13:04:37,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,588 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,603 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:37,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,610 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:37,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,618 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:37,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,625 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,632 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,639 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,646 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,952 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-07-14 13:04:37,953 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-07-14 13:04:37,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,961 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,968 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 21 treesize of output 7 [2021-07-14 13:04:37,969 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:37,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:37,984 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:37,993 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 10 treesize of output 5 [2021-07-14 13:04:37,994 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:37,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,001 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,009 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,016 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:38,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,031 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,037 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:38,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,052 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 24 treesize of output 9 [2021-07-14 13:04:38,053 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:38,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:38,058 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:38,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:38,192 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 13:04:38,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:38,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:04:38,202 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:419, output treesize:179 [2021-07-14 13:04:38,373 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-07-14 13:04:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:38,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594231837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:38,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:38,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-07-14 13:04:38,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6961805] [2021-07-14 13:04:38,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 13:04:38,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 13:04:38,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-07-14 13:04:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:38,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:38,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 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) [2021-07-14 13:04:38,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:39,148 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2021-07-14 13:04:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 13:04:39,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:39,377 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:39,377 INFO L82 PathProgramCache]: Analyzing trace with hash -697232062, now seen corresponding path program 2 times [2021-07-14 13:04:39,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:39,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350427449] [2021-07-14 13:04:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:39,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:39,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350427449] [2021-07-14 13:04:39,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350427449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:39,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071546086] [2021-07-14 13:04:39,522 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 [2021-07-14 13:04:39,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:04:39,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 13:04:39,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:39,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,845 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,851 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,856 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,861 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:39,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:39,865 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:39,966 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 13:04:39,967 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 13:04:39,980 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. [2021-07-14 13:04:39,980 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-07-14 13:04:40,185 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 13:04:40,188 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 [2021-07-14 13:04:40,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:40,190 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 [2021-07-14 13:04:40,192 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:40,212 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 13:04:40,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:40,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:40,215 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:40,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:40,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:04:40,222 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 13:04:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:40,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071546086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:40,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:40,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-14 13:04:40,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517359128] [2021-07-14 13:04:40,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 13:04:40,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:40,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 13:04:40,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-14 13:04:40,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:40,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:40,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 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) [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 13:04:40,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:41,394 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 13:04:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:42,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-14 13:04:42,012 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:42,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:42,013 INFO L82 PathProgramCache]: Analyzing trace with hash -138697258, now seen corresponding path program 3 times [2021-07-14 13:04:42,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:42,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624020225] [2021-07-14 13:04:42,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:42,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:42,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624020225] [2021-07-14 13:04:42,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624020225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:42,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136085103] [2021-07-14 13:04:42,118 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 [2021-07-14 13:04:42,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 13:04:42,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:42,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 13:04:42,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:42,226 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 [2021-07-14 13:04:42,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,229 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 [2021-07-14 13:04:42,230 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:42,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:42,233 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,236 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 [2021-07-14 13:04:42,237 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,239 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 [2021-07-14 13:04:42,239 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,241 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 [2021-07-14 13:04:42,242 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,268 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 13:04:42,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:04:42,269 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:04:42,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:42,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:42,326 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,327 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 8 treesize of output 6 [2021-07-14 13:04:42,329 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:42,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:42,332 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,333 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 7 treesize of output 5 [2021-07-14 13:04:42,334 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:42,349 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:04:42,349 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:04:42,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:04:42,350 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:04:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:42,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136085103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:42,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:42,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-07-14 13:04:42,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360641565] [2021-07-14 13:04:42,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 13:04:42,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:42,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 13:04:42,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-14 13:04:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:42,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:42,390 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) [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:43,220 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2021-07-14 13:04:43,523 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2021-07-14 13:04:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:43,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-07-14 13:04:43,769 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:43,770 INFO L82 PathProgramCache]: Analyzing trace with hash -741485940, now seen corresponding path program 4 times [2021-07-14 13:04:43,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:43,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386815537] [2021-07-14 13:04:43,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:43,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:43,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386815537] [2021-07-14 13:04:43,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386815537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:43,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300837187] [2021-07-14 13:04:43,954 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 [2021-07-14 13:04:43,984 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:04:43,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:43,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 13:04:43,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:44,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,328 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 27 treesize of output 21 [2021-07-14 13:04:44,330 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:44,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,336 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:44,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,414 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 15 treesize of output 11 [2021-07-14 13:04:44,415 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,419 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:44,474 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. [2021-07-14 13:04:44,474 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-07-14 13:04:44,856 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 13:04:44,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,874 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,880 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 16 treesize of output 12 [2021-07-14 13:04:44,881 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,886 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,892 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,897 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,903 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,908 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,914 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:44,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,919 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:44,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:44,924 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:45,051 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 13:04:45,052 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 13:04:45,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:45,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:45,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:45,058 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:45,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:45,062 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 20 treesize of output 9 [2021-07-14 13:04:45,063 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:45,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:45,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:04:45,143 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 13:04:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:45,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300837187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:45,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:45,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 13:04:45,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703632236] [2021-07-14 13:04:45,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 13:04:45,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:45,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 13:04:45,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-07-14 13:04:45,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:45,245 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:45,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 18 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) [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:45,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:45,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:46,099 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-14 13:04:46,247 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 55 [2021-07-14 13:04:46,453 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-14 13:04:46,680 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-14 13:04:46,970 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2021-07-14 13:04:47,251 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-07-14 13:04:47,482 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 113 [2021-07-14 13:04:47,695 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-07-14 13:04:47,912 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-07-14 13:04:48,114 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-07-14 13:04:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:04:48,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:48,334 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:48,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1991072770, now seen corresponding path program 1 times [2021-07-14 13:04:48,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:48,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489843394] [2021-07-14 13:04:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:04:48,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:48,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489843394] [2021-07-14 13:04:48,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489843394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:48,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744012120] [2021-07-14 13:04:48,375 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 [2021-07-14 13:04:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:04:48,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:04:48,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744012120] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:48,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:48,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 13:04:48,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274848160] [2021-07-14 13:04:48,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 13:04:48,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:48,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 13:04:48,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 13:04:48,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:48,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:48,456 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) [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:04:48,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:48,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:48,965 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:48,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:48,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1736350512, now seen corresponding path program 5 times [2021-07-14 13:04:48,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:48,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438542981] [2021-07-14 13:04:48,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:49,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:49,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438542981] [2021-07-14 13:04:49,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438542981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:49,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068423401] [2021-07-14 13:04:49,052 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 [2021-07-14 13:04:49,085 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:04:49,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 13:04:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:49,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:49,152 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 15 treesize of output 11 [2021-07-14 13:04:49,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:49,155 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 16 treesize of output 12 [2021-07-14 13:04:49,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:49,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:49,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:04:49,169 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:04:49,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:49,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:49,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:49,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:49,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:49,254 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:04:49,254 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:04:49,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:04:49,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:04:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:49,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068423401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:49,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:49,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 13:04:49,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104751443] [2021-07-14 13:04:49,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 13:04:49,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:49,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 13:04:49,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 13:04:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:49,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:49,274 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) [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:49,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:49,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-07-14 13:04:49,685 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:49,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2008369160, now seen corresponding path program 6 times [2021-07-14 13:04:49,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:49,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226907743] [2021-07-14 13:04:49,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:50,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:50,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226907743] [2021-07-14 13:04:50,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226907743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:50,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166102848] [2021-07-14 13:04:50,026 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 [2021-07-14 13:04:50,058 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-07-14 13:04:50,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:50,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 13:04:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:50,564 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-07-14 13:04:50,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,673 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 [2021-07-14 13:04:50,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,680 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 [2021-07-14 13:04:50,681 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,810 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-07-14 13:04:50,811 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-07-14 13:04:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,819 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 [2021-07-14 13:04:50,829 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,836 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 [2021-07-14 13:04:50,837 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:50,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,898 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 [2021-07-14 13:04:50,901 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:50,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:50,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-07-14 13:04:50,907 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:50,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:50,964 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. [2021-07-14 13:04:50,964 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-07-14 13:04:51,385 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_35, v_prenex_33], 3=[array_0, v_prenex_32, v_prenex_34]} [2021-07-14 13:04:51,390 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 [2021-07-14 13:04:51,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,395 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 [2021-07-14 13:04:51,396 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,479 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-07-14 13:04:51,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:04:51,498 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,502 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 [2021-07-14 13:04:51,503 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:04:51,542 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:51,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:51,583 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:51,588 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:51,628 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:51,631 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,678 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 9 treesize of output 3 [2021-07-14 13:04:51,678 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:51,681 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 11 treesize of output 3 [2021-07-14 13:04:51,682 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:51,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:51,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:04:51,717 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-07-14 13:04:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:51,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166102848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:51,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:51,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-14 13:04:51,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001053394] [2021-07-14 13:04:51,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 13:04:51,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:51,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 13:04:51,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 13:04:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:51,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:51,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 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) [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:51,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:52,618 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 64 [2021-07-14 13:04:52,810 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2021-07-14 13:04:53,041 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:53,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:53,277 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:53,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:53,278 INFO L82 PathProgramCache]: Analyzing trace with hash -792535078, now seen corresponding path program 7 times [2021-07-14 13:04:53,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:53,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121633715] [2021-07-14 13:04:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:53,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:53,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121633715] [2021-07-14 13:04:53,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121633715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:53,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158800595] [2021-07-14 13:04:53,508 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 [2021-07-14 13:04:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:53,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:04:53,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,843 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 [2021-07-14 13:04:53,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:53,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,850 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 [2021-07-14 13:04:53,851 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:53,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,856 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 [2021-07-14 13:04:53,857 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:53,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:53,861 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 [2021-07-14 13:04:53,862 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:53,925 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-14 13:04:53,928 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. [2021-07-14 13:04:53,929 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:179, output treesize:81 [2021-07-14 13:04:54,213 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-14 13:04:54,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,223 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-14 13:04:54,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,228 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,233 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,238 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,241 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 25 treesize of output 19 [2021-07-14 13:04:54,242 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,314 INFO L628 ElimStorePlain]: treesize reduction 224, result has 24.3 percent of original size [2021-07-14 13:04:54,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,319 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:54,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:54,323 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:54,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:54,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:04:54,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:04:54,365 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-14 13:04:54,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:54,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158800595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:54,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:54,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2021-07-14 13:04:54,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927201293] [2021-07-14 13:04:54,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 13:04:54,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:54,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 13:04:54,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2021-07-14 13:04:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:54,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:54,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 24 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) [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:54,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:54,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:54,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:56,273 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-07-14 13:04:56,669 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2021-07-14 13:04:56,855 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2021-07-14 13:04:57,160 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:04:57,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-07-14 13:04:57,405 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:57,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:57,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1201876542, now seen corresponding path program 8 times [2021-07-14 13:04:57,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:57,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393258173] [2021-07-14 13:04:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:57,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:57,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393258173] [2021-07-14 13:04:57,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393258173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:57,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347649682] [2021-07-14 13:04:57,553 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 [2021-07-14 13:04:57,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:04:57,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:57,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 13:04:57,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:57,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:57,682 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 17 treesize of output 13 [2021-07-14 13:04:57,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,684 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 [2021-07-14 13:04:57,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,687 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 [2021-07-14 13:04:57,688 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:57,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:57,691 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:04:57,693 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:04:57,696 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,719 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-14 13:04:57,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:04:57,720 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:04:57,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:57,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:04:57,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,810 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 [2021-07-14 13:04:57,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,813 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 [2021-07-14 13:04:57,814 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:04:57,821 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:57,837 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:04:57,838 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:04:57,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:04:57,838 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:04:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:57,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347649682] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:57,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:04:57,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-07-14 13:04:57,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107987984] [2021-07-14 13:04:57,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 13:04:57,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:04:57,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 13:04:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-14 13:04:57,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:57,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:04:57,865 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) [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:57,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:04:57,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:04:58,886 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-07-14 13:04:59,119 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:04:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:04:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:04:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:04:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:04:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:04:59,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:04:59,366 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:04:59,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:04:59,366 INFO L82 PathProgramCache]: Analyzing trace with hash 2130562000, now seen corresponding path program 9 times [2021-07-14 13:04:59,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:04:59,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261206398] [2021-07-14 13:04:59,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:04:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:04:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:04:59,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:04:59,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261206398] [2021-07-14 13:04:59,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261206398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:04:59,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320633883] [2021-07-14 13:04:59,613 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 [2021-07-14 13:04:59,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:04:59,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:04:59,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:04:59,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:04:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,963 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 [2021-07-14 13:04:59,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,971 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 [2021-07-14 13:04:59,972 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:04:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,979 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 [2021-07-14 13:04:59,980 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:04:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:04:59,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:04:59,986 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 [2021-07-14 13:04:59,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:00,036 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. [2021-07-14 13:05:00,036 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:201, output treesize:145 [2021-07-14 13:05:00,610 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 13:05:00,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,616 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,623 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,628 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,633 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,639 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,650 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,656 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,662 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,667 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 27 treesize of output 21 [2021-07-14 13:05:00,669 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,674 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,679 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,684 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,855 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2021-07-14 13:05:00,860 INFO L628 ElimStorePlain]: treesize reduction 104, result has 63.9 percent of original size [2021-07-14 13:05:00,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,867 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,873 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:00,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:00,880 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:00,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:00,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:05:00,979 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:431, output treesize:100 [2021-07-14 13:05:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:01,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320633883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:01,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:01,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-07-14 13:05:01,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923717494] [2021-07-14 13:05:01,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:05:01,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:01,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:05:01,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:05:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:01,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:01,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 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) [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:01,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:01,816 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 13:05:02,085 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-14 13:05:02,268 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2021-07-14 13:05:02,609 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 121 [2021-07-14 13:05:02,955 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 127 [2021-07-14 13:05:03,241 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 121 [2021-07-14 13:05:03,537 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 127 [2021-07-14 13:05:03,861 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-07-14 13:05:04,232 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:04,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:04,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:04,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable172 [2021-07-14 13:05:04,857 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:04,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1605107838, now seen corresponding path program 10 times [2021-07-14 13:05:04,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:04,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122871114] [2021-07-14 13:05:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:05,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:05,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122871114] [2021-07-14 13:05:05,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122871114] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:05,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855968478] [2021-07-14 13:05:05,017 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 [2021-07-14 13:05:05,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:05:05,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:05,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 13:05:05,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:05,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:05,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:05,177 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:05,187 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,251 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.2 percent of original size [2021-07-14 13:05:05,253 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. [2021-07-14 13:05:05,253 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-14 13:05:05,422 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_51], 1=[v_prenex_50, array_0]} [2021-07-14 13:05:05,426 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 [2021-07-14 13:05:05,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,431 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 [2021-07-14 13:05:05,433 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:05,475 INFO L628 ElimStorePlain]: treesize reduction 62, result has 50.8 percent of original size [2021-07-14 13:05:05,478 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 [2021-07-14 13:05:05,479 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:05,494 INFO L518 ElimStorePlain]: Eliminatee v_prenex_50 vanished before elimination [2021-07-14 13:05:05,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:05,499 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:05,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:05,504 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:05,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:05,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:05,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:05:05,530 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:122, output treesize:18 [2021-07-14 13:05:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:05,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855968478] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:05,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:05,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 13:05:05,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925918462] [2021-07-14 13:05:05,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 13:05:05,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:05,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 13:05:05,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2021-07-14 13:05:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:05,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:05,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 18 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) [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:05,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:07,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 13:05:07,436 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:07,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:07,437 INFO L82 PathProgramCache]: Analyzing trace with hash 953990540, now seen corresponding path program 11 times [2021-07-14 13:05:07,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:07,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032560212] [2021-07-14 13:05:07,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:07,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:07,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032560212] [2021-07-14 13:05:07,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032560212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:07,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248137851] [2021-07-14 13:05:07,575 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 [2021-07-14 13:05:07,610 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 13:05:07,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:07,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 13:05:07,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:07,679 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 [2021-07-14 13:05:07,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:07,682 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 [2021-07-14 13:05:07,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:07,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:07,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:07,697 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:05:07,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:07,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:07,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:07,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:07,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:07,791 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:05:07,791 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:07,791 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:05:07,791 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:05:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:07,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248137851] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:07,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:07,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 13:05:07,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084200729] [2021-07-14 13:05:07,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 13:05:07,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:07,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 13:05:07,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 13:05:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:07,814 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:07,814 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) [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:07,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:07,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:07,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:07,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:08,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable216 [2021-07-14 13:05:08,365 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:08,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:08,365 INFO L82 PathProgramCache]: Analyzing trace with hash -490404148, now seen corresponding path program 12 times [2021-07-14 13:05:08,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:08,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733943139] [2021-07-14 13:05:08,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:08,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:08,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733943139] [2021-07-14 13:05:08,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733943139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:08,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140487710] [2021-07-14 13:05:08,901 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 [2021-07-14 13:05:08,936 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 13:05:08,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:08,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 13:05:08,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,391 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 [2021-07-14 13:05:09,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,399 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 27 [2021-07-14 13:05:09,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:09,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,453 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 [2021-07-14 13:05:09,456 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:09,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:09,463 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 49 treesize of output 35 [2021-07-14 13:05:09,465 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:09,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:09,503 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. [2021-07-14 13:05:09,503 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:211, output treesize:111 [2021-07-14 13:05:10,058 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-14 13:05:10,342 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 13:05:10,424 INFO L446 ElimStorePlain]: Different costs {6=[array_4], 78=[array_0]} [2021-07-14 13:05:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,434 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 [2021-07-14 13:05:10,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,446 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 27 [2021-07-14 13:05:10,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,458 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 [2021-07-14 13:05:10,459 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,470 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 40 treesize of output 28 [2021-07-14 13:05:10,471 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,481 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 49 treesize of output 35 [2021-07-14 13:05:10,482 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,492 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 59 treesize of output 43 [2021-07-14 13:05:10,494 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,516 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 [2021-07-14 13:05:10,518 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,528 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 50 treesize of output 36 [2021-07-14 13:05:10,529 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,540 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 49 treesize of output 35 [2021-07-14 13:05:10,541 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:10,548 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 57 treesize of output 41 [2021-07-14 13:05:10,550 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2021-07-14 13:05:10,792 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 100 [2021-07-14 13:05:10,792 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-07-14 13:05:10,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,801 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,819 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:10,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,839 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,845 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,851 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,856 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 23 treesize of output 11 [2021-07-14 13:05:10,857 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:10,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,872 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,877 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 21 treesize of output 7 [2021-07-14 13:05:10,878 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,883 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:10,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:10,897 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:10,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:05:10,902 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:10,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:11,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:11,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:05:11,014 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:639, output treesize:185 [2021-07-14 13:05:11,201 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 13:05:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:11,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140487710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:11,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:11,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2021-07-14 13:05:11,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740530057] [2021-07-14 13:05:11,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 13:05:11,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:11,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 13:05:11,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2021-07-14 13:05:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:11,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:11,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 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) [2021-07-14 13:05:11,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:11,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:12,143 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-07-14 13:05:12,512 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-07-14 13:05:12,930 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:13,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable219 [2021-07-14 13:05:13,179 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:13,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:13,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1556304578, now seen corresponding path program 13 times [2021-07-14 13:05:13,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:13,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353292072] [2021-07-14 13:05:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:13,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:13,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353292072] [2021-07-14 13:05:13,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353292072] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:13,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389060075] [2021-07-14 13:05:13,456 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 [2021-07-14 13:05:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:13,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 13:05:13,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,954 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 [2021-07-14 13:05:13,956 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,966 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 [2021-07-14 13:05:13,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,978 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 [2021-07-14 13:05:13,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:13,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:13,985 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 [2021-07-14 13:05:13,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,050 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-14 13:05:14,054 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. [2021-07-14 13:05:14,054 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:223, output treesize:81 [2021-07-14 13:05:14,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,297 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 17 treesize of output 13 [2021-07-14 13:05:14,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,302 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,316 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,320 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,323 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 25 treesize of output 19 [2021-07-14 13:05:14,324 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,328 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:14,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,333 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,337 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 34 treesize of output 26 [2021-07-14 13:05:14,337 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,340 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 35 treesize of output 27 [2021-07-14 13:05:14,357 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-14 13:05:14,414 INFO L628 ElimStorePlain]: treesize reduction 293, result has 17.0 percent of original size [2021-07-14 13:05:14,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:14,417 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 21 treesize of output 7 [2021-07-14 13:05:14,418 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:14,421 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:14,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:14,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:14,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:14,445 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:328, output treesize:38 [2021-07-14 13:05:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:14,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389060075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:14,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:14,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-14 13:05:14,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721795601] [2021-07-14 13:05:14,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 13:05:14,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:14,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 13:05:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2021-07-14 13:05:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:14,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:14,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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) [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:14,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:15,999 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-07-14 13:05:16,193 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-07-14 13:05:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:16,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable247 [2021-07-14 13:05:16,424 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:16,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1001461846, now seen corresponding path program 14 times [2021-07-14 13:05:16,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:16,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887785069] [2021-07-14 13:05:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:16,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:16,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887785069] [2021-07-14 13:05:16,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887785069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:16,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035868998] [2021-07-14 13:05:16,707 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 [2021-07-14 13:05:16,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:05:16,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:16,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:05:16,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:16,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:16,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:16,978 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:16,980 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 [2021-07-14 13:05:16,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:16,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:16,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:16,985 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:16,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:16,990 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:16,993 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 [2021-07-14 13:05:16,994 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:16,996 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 [2021-07-14 13:05:16,997 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:17,024 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 13:05:17,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:05:17,025 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:05:17,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:17,196 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 16 treesize of output 12 [2021-07-14 13:05:17,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:17,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:17,200 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 17 treesize of output 13 [2021-07-14 13:05:17,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:17,203 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 [2021-07-14 13:05:17,203 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:17,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:17,206 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:17,221 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:05:17,221 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:17,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:17,222 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:05:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:17,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035868998] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:17,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:17,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 32 [2021-07-14 13:05:17,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442103001] [2021-07-14 13:05:17,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 13:05:17,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:17,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 13:05:17,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-07-14 13:05:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:17,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:17,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.4375) internal successors, (46), 32 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) [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:17,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:20,229 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 110 [2021-07-14 13:05:21,042 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2021-07-14 13:05:21,580 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:21,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:21,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:21,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:21,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable263 [2021-07-14 13:05:21,871 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:21,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:21,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1978000780, now seen corresponding path program 15 times [2021-07-14 13:05:21,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:21,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377011398] [2021-07-14 13:05:21,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:22,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:22,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377011398] [2021-07-14 13:05:22,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377011398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:22,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648412527] [2021-07-14 13:05:22,134 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 [2021-07-14 13:05:22,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:05:22,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:22,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 13:05:22,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,338 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 45 treesize of output 33 [2021-07-14 13:05:22,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,346 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 43 treesize of output 31 [2021-07-14 13:05:22,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,355 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 33 treesize of output 23 [2021-07-14 13:05:22,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:22,360 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 35 treesize of output 25 [2021-07-14 13:05:22,361 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:22,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:05:22,390 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:185, output treesize:101 [2021-07-14 13:05:22,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,674 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,677 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,680 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,683 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,687 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,691 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,695 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,698 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,701 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,704 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 17 treesize of output 13 [2021-07-14 13:05:22,705 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,708 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,711 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:22,714 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,759 INFO L628 ElimStorePlain]: treesize reduction 63, result has 49.6 percent of original size [2021-07-14 13:05:22,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:22,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,763 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:22,766 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:22,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:22,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 13:05:22,783 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-14 13:05:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:22,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648412527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:22,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:22,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 26 [2021-07-14 13:05:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405941082] [2021-07-14 13:05:22,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 13:05:22,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:22,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 13:05:22,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2021-07-14 13:05:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:22,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:22,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 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) [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:22,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:22,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:24,678 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2021-07-14 13:05:24,867 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-07-14 13:05:25,019 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-14 13:05:25,174 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-14 13:05:25,374 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-07-14 13:05:25,537 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-14 13:05:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:25,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:25,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:05:25,898 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:25,898 INFO L82 PathProgramCache]: Analyzing trace with hash -152048618, now seen corresponding path program 16 times [2021-07-14 13:05:25,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:25,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225381542] [2021-07-14 13:05:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:26,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:26,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225381542] [2021-07-14 13:05:26,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225381542] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:26,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519161063] [2021-07-14 13:05:26,080 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 [2021-07-14 13:05:26,120 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:05:26,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:26,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 13:05:26,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:26,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,241 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 15 treesize of output 11 [2021-07-14 13:05:26,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:26,245 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:26,258 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. [2021-07-14 13:05:26,259 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 13:05:26,501 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-07-14 13:05:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:26,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,509 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 [2021-07-14 13:05:26,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:26,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,516 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 [2021-07-14 13:05:26,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:26,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,522 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 [2021-07-14 13:05:26,523 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:26,527 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 [2021-07-14 13:05:26,528 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,615 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 13:05:26,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:26,620 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:26,624 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:26,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:26,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:26,635 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:26,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:26,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:05:26,672 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-07-14 13:05:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:26,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519161063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:26,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:26,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-14 13:05:26,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27699918] [2021-07-14 13:05:26,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 13:05:26,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:26,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 13:05:26,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-07-14 13:05:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:26,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:26,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 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) [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:26,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:26,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:27,641 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:27,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:05:27,992 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:27,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:27,992 INFO L82 PathProgramCache]: Analyzing trace with hash -417879678, now seen corresponding path program 17 times [2021-07-14 13:05:27,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:27,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536040713] [2021-07-14 13:05:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:28,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:28,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536040713] [2021-07-14 13:05:28,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536040713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:28,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910358836] [2021-07-14 13:05:28,115 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 [2021-07-14 13:05:28,151 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 13:05:28,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:28,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 13:05:28,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:28,208 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 [2021-07-14 13:05:28,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,210 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 [2021-07-14 13:05:28,211 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:28,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:28,223 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 13:05:28,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:28,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:28,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,291 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 [2021-07-14 13:05:28,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,294 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 [2021-07-14 13:05:28,300 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,302 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 17 treesize of output 13 [2021-07-14 13:05:28,303 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:28,318 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:05:28,318 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:28,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:28,319 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:05:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:28,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910358836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:28,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:28,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 13:05:28,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691831247] [2021-07-14 13:05:28,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 13:05:28,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:28,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 13:05:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 13:05:28,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:28,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:28,343 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) [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:28,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:28,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:29,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable303 [2021-07-14 13:05:29,199 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:29,199 INFO L82 PathProgramCache]: Analyzing trace with hash 366462028, now seen corresponding path program 18 times [2021-07-14 13:05:29,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:29,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202307373] [2021-07-14 13:05:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:29,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:29,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202307373] [2021-07-14 13:05:29,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202307373] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:29,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945120522] [2021-07-14 13:05:29,289 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 [2021-07-14 13:05:29,320 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 13:05:29,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:29,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 13:05:29,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:29,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:29,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:29,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:29,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:29,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:29,393 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:05:29,450 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 [2021-07-14 13:05:29,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,453 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 [2021-07-14 13:05:29,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:29,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:29,456 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:29,459 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:29,475 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:05:29,475 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:29,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:29,476 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:05:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:29,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945120522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:29,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:29,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-07-14 13:05:29,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845624569] [2021-07-14 13:05:29,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 13:05:29,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:29,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 13:05:29,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-07-14 13:05:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:29,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:29,497 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) [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:29,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:29,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:05:29,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:29,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:29,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:30,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable309,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:05:30,960 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:30,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1411497986, now seen corresponding path program 19 times [2021-07-14 13:05:30,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:30,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392793039] [2021-07-14 13:05:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:31,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:31,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392793039] [2021-07-14 13:05:31,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392793039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:31,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196050244] [2021-07-14 13:05:31,153 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 [2021-07-14 13:05:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:31,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 13:05:31,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:31,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:31,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,374 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 17 treesize of output 13 [2021-07-14 13:05:31,375 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:31,389 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. [2021-07-14 13:05:31,389 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 13:05:31,771 INFO L446 ElimStorePlain]: Different costs {6=[array_4], 10=[array_0]} [2021-07-14 13:05:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,781 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 [2021-07-14 13:05:31,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,792 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 [2021-07-14 13:05:31,794 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,803 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 49 treesize of output 35 [2021-07-14 13:05:31,805 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:31,812 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 27 [2021-07-14 13:05:31,813 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,897 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 13:05:31,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:05:31,901 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:31,909 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:31,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:31,913 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:31,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:31,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:31,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:05:31,955 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:237, output treesize:55 [2021-07-14 13:05:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:32,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196050244] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:32,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:32,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 27 [2021-07-14 13:05:32,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964587086] [2021-07-14 13:05:32,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 13:05:32,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 13:05:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2021-07-14 13:05:32,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:32,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:32,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 27 states have internal predecessors, (41), 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) [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:32,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:32,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:32,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:33,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-14 13:05:33,007 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1227800624, now seen corresponding path program 20 times [2021-07-14 13:05:33,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:33,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531628649] [2021-07-14 13:05:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:33,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:33,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531628649] [2021-07-14 13:05:33,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531628649] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:33,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22540648] [2021-07-14 13:05:33,190 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 [2021-07-14 13:05:33,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:05:33,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:33,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:05:33,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:33,298 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 15 treesize of output 11 [2021-07-14 13:05:33,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:33,300 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 16 treesize of output 12 [2021-07-14 13:05:33,301 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:33,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:33,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:33,314 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:05:33,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:33,414 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 15 treesize of output 11 [2021-07-14 13:05:33,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:33,418 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 16 treesize of output 12 [2021-07-14 13:05:33,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:33,433 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:05:33,433 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:33,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:05:33,434 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:05:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:33,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22540648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:33,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:33,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 13:05:33,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280457739] [2021-07-14 13:05:33,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 13:05:33,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:33,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 13:05:33,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 13:05:33,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:33,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:33,458 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) [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:33,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:34,270 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable333 [2021-07-14 13:05:34,270 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:34,270 INFO L82 PathProgramCache]: Analyzing trace with hash 593546504, now seen corresponding path program 21 times [2021-07-14 13:05:34,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:34,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298906903] [2021-07-14 13:05:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:35,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:35,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298906903] [2021-07-14 13:05:35,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298906903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:35,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846058596] [2021-07-14 13:05:35,007 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 [2021-07-14 13:05:35,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:05:35,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:35,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 13:05:35,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,754 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 [2021-07-14 13:05:35,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,763 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 [2021-07-14 13:05:35,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:35,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,828 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 [2021-07-14 13:05:35,829 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:35,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:35,838 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 [2021-07-14 13:05:35,840 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:35,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:35,876 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. [2021-07-14 13:05:35,876 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:111 [2021-07-14 13:05:36,476 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 13:05:36,776 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-14 13:05:37,174 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 13:05:37,316 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 36=[array_0]} [2021-07-14 13:05:37,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,331 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 [2021-07-14 13:05:37,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,346 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 [2021-07-14 13:05:37,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,362 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 [2021-07-14 13:05:37,364 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,384 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 [2021-07-14 13:05:37,387 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-07-14 13:05:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,408 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 [2021-07-14 13:05:37,410 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,427 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 [2021-07-14 13:05:37,429 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,444 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 [2021-07-14 13:05:37,446 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,463 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 [2021-07-14 13:05:37,465 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,481 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 [2021-07-14 13:05:37,482 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:37,500 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 [2021-07-14 13:05:37,502 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,758 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2021-07-14 13:05:37,759 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-07-14 13:05:37,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,766 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 10 treesize of output 5 [2021-07-14 13:05:37,766 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,773 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,779 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:37,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,798 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,803 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:37,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,817 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,823 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,828 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:37,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,844 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,851 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:37,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:37,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:37,865 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:37,968 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 13:05:37,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:37,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:05:37,973 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:749, output treesize:185 [2021-07-14 13:05:38,172 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 13:05:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:38,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846058596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:38,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:38,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-14 13:05:38,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827190639] [2021-07-14 13:05:38,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 13:05:38,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:38,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 13:05:38,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1038, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 13:05:38,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:38,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:38,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 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) [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:38,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:38,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:39,745 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-07-14 13:05:40,127 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-07-14 13:05:40,509 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 109 [2021-07-14 13:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:40,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:40,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable336 [2021-07-14 13:05:40,773 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:40,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:40,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1033052250, now seen corresponding path program 22 times [2021-07-14 13:05:40,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:40,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145114829] [2021-07-14 13:05:40,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:41,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:41,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145114829] [2021-07-14 13:05:41,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145114829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:41,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322101709] [2021-07-14 13:05:41,086 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 [2021-07-14 13:05:41,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:05:41,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:41,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 13:05:41,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,013 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 [2021-07-14 13:05:42,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,026 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 [2021-07-14 13:05:42,028 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,043 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 [2021-07-14 13:05:42,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,060 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 [2021-07-14 13:05:42,062 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,077 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 [2021-07-14 13:05:42,078 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:42,087 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 [2021-07-14 13:05:42,089 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,187 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 13:05:42,192 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. [2021-07-14 13:05:42,192 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:391, output treesize:125 [2021-07-14 13:05:42,674 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 13:05:42,687 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 [2021-07-14 13:05:42,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,690 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 [2021-07-14 13:05:42,691 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:42,712 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 13:05:42,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:42,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:42,715 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:42,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:42,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:42,723 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 13:05:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:42,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322101709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:42,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:42,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-07-14 13:05:42,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24906785] [2021-07-14 13:05:42,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 13:05:42,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:42,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 13:05:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1092, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 13:05:42,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:42,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:42,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.4) internal successors, (49), 35 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) [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:42,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:44,845 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-07-14 13:05:45,066 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-07-14 13:05:45,267 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-07-14 13:05:45,480 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2021-07-14 13:05:45,708 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-07-14 13:05:45,984 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-07-14 13:05:46,209 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-14 13:05:46,481 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-07-14 13:05:46,713 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-14 13:05:46,939 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-14 13:05:47,167 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-14 13:05:47,400 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:47,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable375 [2021-07-14 13:05:47,661 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:47,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:47,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1960508862, now seen corresponding path program 23 times [2021-07-14 13:05:47,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:47,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761648242] [2021-07-14 13:05:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:47,926 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:47,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761648242] [2021-07-14 13:05:47,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761648242] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:47,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193334002] [2021-07-14 13:05:47,926 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 [2021-07-14 13:05:47,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 13:05:47,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:47,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 13:05:47,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:48,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:48,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:48,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:48,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:48,167 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:48,169 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:05:48,172 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,174 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 [2021-07-14 13:05:48,175 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,177 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 [2021-07-14 13:05:48,177 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,203 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-14 13:05:48,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:05:48,204 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:05:48,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:48,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:48,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,366 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 [2021-07-14 13:05:48,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,368 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 [2021-07-14 13:05:48,369 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:48,372 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:48,388 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:05:48,388 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:05:48,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:05:48,389 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:05:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:48,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193334002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:48,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:48,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-07-14 13:05:48,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412655115] [2021-07-14 13:05:48,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 13:05:48,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:48,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 13:05:48,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-07-14 13:05:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:48,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:48,420 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) [2021-07-14 13:05:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:48,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:48,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:50,422 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 117 [2021-07-14 13:05:51,298 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 163 [2021-07-14 13:05:52,346 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-07-14 13:05:53,469 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-07-14 13:05:54,136 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 149 [2021-07-14 13:05:54,782 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 150 [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:05:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:05:55,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable398 [2021-07-14 13:05:55,072 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:05:55,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:05:55,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1220732624, now seen corresponding path program 24 times [2021-07-14 13:05:55,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:05:55,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9176966] [2021-07-14 13:05:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:05:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:05:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:55,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:05:55,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9176966] [2021-07-14 13:05:55,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9176966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:55,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125751695] [2021-07-14 13:05:55,364 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 [2021-07-14 13:05:55,406 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 13:05:55,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:05:55,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 13:05:55,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:05:55,851 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-14 13:05:56,072 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-14 13:05:56,346 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 13:05:56,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:56,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,421 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 46 treesize of output 34 [2021-07-14 13:05:56,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:56,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:56,428 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 36 treesize of output 26 [2021-07-14 13:05:56,429 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:56,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:56,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,517 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 36 [2021-07-14 13:05:56,520 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:05:56,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,534 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 46 treesize of output 34 [2021-07-14 13:05:56,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:56,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:56,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:56,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,609 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 38 treesize of output 28 [2021-07-14 13:05:56,610 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:56,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:05:56,615 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 36 treesize of output 26 [2021-07-14 13:05:56,617 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:56,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:56,672 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. [2021-07-14 13:05:56,672 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:298, output treesize:146 [2021-07-14 13:05:57,443 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 13:05:57,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,453 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 15 treesize of output 11 [2021-07-14 13:05:57,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,457 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 28 treesize of output 22 [2021-07-14 13:05:57,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,463 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,467 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 25 treesize of output 19 [2021-07-14 13:05:57,468 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,473 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,478 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,483 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,488 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 27 treesize of output 21 [2021-07-14 13:05:57,489 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,493 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 25 treesize of output 19 [2021-07-14 13:05:57,494 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,500 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,504 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,660 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 13:05:57,661 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 13:05:57,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,667 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:05:57,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:05:57,672 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:05:57,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:05:57,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:05:57,738 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 13:05:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:05:57,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125751695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:05:57,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:05:57,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-07-14 13:05:57,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424760610] [2021-07-14 13:05:57,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:05:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:05:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:05:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:05:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:05:57,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:05:57,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 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) [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:57,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:05:57,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:00,442 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 54 [2021-07-14 13:06:00,788 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 59 [2021-07-14 13:06:01,014 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2021-07-14 13:06:01,239 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-14 13:06:01,515 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-07-14 13:06:01,779 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-07-14 13:06:02,140 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2021-07-14 13:06:02,441 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2021-07-14 13:06:02,766 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2021-07-14 13:06:03,076 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2021-07-14 13:06:03,389 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2021-07-14 13:06:03,643 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-14 13:06:04,054 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-07-14 13:06:04,330 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 86 [2021-07-14 13:06:04,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:04,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:06:04,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:06:04,767 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:04,767 INFO L82 PathProgramCache]: Analyzing trace with hash -806104422, now seen corresponding path program 25 times [2021-07-14 13:06:04,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:04,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680366234] [2021-07-14 13:06:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:04,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:04,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680366234] [2021-07-14 13:06:04,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680366234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:04,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588026126] [2021-07-14 13:06:04,920 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 [2021-07-14 13:06:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:04,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:06:04,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:05,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:05,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:05,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:05,027 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:05,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:05,040 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:06:05,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:05,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:05,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:05,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:05,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,139 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 [2021-07-14 13:06:05,139 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:06:05,141 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:05,156 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:06:05,156 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:06:05,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:05,156 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:06:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:05,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588026126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:05,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:05,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 13:06:05,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095673847] [2021-07-14 13:06:05,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 13:06:05,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:05,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 13:06:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 13:06:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:05,182 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:05,182 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) [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:05,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:06:05,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:06,487 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2021-07-14 13:06:06,857 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-07-14 13:06:07,198 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:07,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:07,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable452 [2021-07-14 13:06:07,701 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:07,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:07,701 INFO L82 PathProgramCache]: Analyzing trace with hash -131567476, now seen corresponding path program 26 times [2021-07-14 13:06:07,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:07,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976371509] [2021-07-14 13:06:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:07,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:07,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976371509] [2021-07-14 13:06:07,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976371509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:07,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288844959] [2021-07-14 13:06:07,915 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 [2021-07-14 13:06:07,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:06:07,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:07,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 13:06:07,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:08,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:08,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:08,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:08,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:08,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:08,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:08,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:08,056 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:06:08,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:08,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:08,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:08,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:08,193 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:08,207 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:06:08,207 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:06:08,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:06:08,207 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:06:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:08,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288844959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:08,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:08,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 13:06:08,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893432798] [2021-07-14 13:06:08,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 13:06:08,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:08,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 13:06:08,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 13:06:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:08,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:08,233 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) [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:08,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:08,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:08,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:08,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:08,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:09,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable458 [2021-07-14 13:06:09,204 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:09,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:09,205 INFO L82 PathProgramCache]: Analyzing trace with hash 217035724, now seen corresponding path program 27 times [2021-07-14 13:06:09,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:09,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928015264] [2021-07-14 13:06:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:10,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:10,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928015264] [2021-07-14 13:06:10,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928015264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:10,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509970422] [2021-07-14 13:06:10,196 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 [2021-07-14 13:06:10,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:06:10,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:10,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 13:06:10,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,229 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 [2021-07-14 13:06:11,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,243 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 61 treesize of output 41 [2021-07-14 13:06:11,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:11,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,319 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 [2021-07-14 13:06:11,322 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:11,334 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 71 treesize of output 49 [2021-07-14 13:06:11,337 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:11,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:11,397 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. [2021-07-14 13:06:11,397 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:295, output treesize:107 [2021-07-14 13:06:12,061 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 13:06:12,345 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-14 13:06:12,701 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-14 13:06:13,112 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 13:06:13,210 INFO L446 ElimStorePlain]: Different costs {15=[array_4], 105=[array_0]} [2021-07-14 13:06:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,230 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 72 treesize of output 50 [2021-07-14 13:06:13,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,252 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 62 treesize of output 42 [2021-07-14 13:06:13,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,274 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 61 treesize of output 41 [2021-07-14 13:06:13,276 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,295 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 81 treesize of output 57 [2021-07-14 13:06:13,310 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,330 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 [2021-07-14 13:06:13,332 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,358 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 [2021-07-14 13:06:13,360 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,381 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 [2021-07-14 13:06:13,384 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,408 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 71 treesize of output 49 [2021-07-14 13:06:13,410 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,431 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 79 treesize of output 55 [2021-07-14 13:06:13,434 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-14 13:06:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:13,447 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 71 treesize of output 49 [2021-07-14 13:06:13,449 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,692 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-07-14 13:06:13,693 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-07-14 13:06:13,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,700 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,706 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:13,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,725 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,730 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 [2021-07-14 13:06:13,731 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:13,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,746 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,752 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,757 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:13,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,771 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 11 treesize of output 3 [2021-07-14 13:06:13,771 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,776 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 21 treesize of output 7 [2021-07-14 13:06:13,777 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:13,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,791 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:13,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:13,796 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:13,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:13,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:06:13,899 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:851, output treesize:185 [2021-07-14 13:06:14,088 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 13:06:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:14,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509970422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:14,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:14,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 41 [2021-07-14 13:06:14,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763431124] [2021-07-14 13:06:14,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:06:14,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:14,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:06:14,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1543, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:06:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:14,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:14,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 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) [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:16,094 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2021-07-14 13:06:17,067 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-07-14 13:06:17,631 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 113 [2021-07-14 13:06:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 13:06:17,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable461,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:06:17,932 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash 910676034, now seen corresponding path program 28 times [2021-07-14 13:06:17,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:17,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453135349] [2021-07-14 13:06:17,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:18,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:18,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453135349] [2021-07-14 13:06:18,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453135349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:18,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767255287] [2021-07-14 13:06:18,352 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 [2021-07-14 13:06:18,395 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:06:18,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:18,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 13:06:18,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:19,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,325 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 [2021-07-14 13:06:19,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,344 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 [2021-07-14 13:06:19,346 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,367 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 [2021-07-14 13:06:19,383 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:19,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:19,397 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 [2021-07-14 13:06:19,399 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:19,473 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-07-14 13:06:19,476 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. [2021-07-14 13:06:19,476 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:317, output treesize:87 [2021-07-14 13:06:20,042 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-14 13:06:20,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-14 13:06:20,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,056 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,060 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,065 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,068 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 15 treesize of output 11 [2021-07-14 13:06:20,069 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,141 INFO L628 ElimStorePlain]: treesize reduction 218, result has 24.8 percent of original size [2021-07-14 13:06:20,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,144 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 21 treesize of output 7 [2021-07-14 13:06:20,145 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:20,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:20,148 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:20,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:20,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:20,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:20,180 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-14 13:06:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:20,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767255287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:20,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:20,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-14 13:06:20,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559639503] [2021-07-14 13:06:20,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:06:20,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:20,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:06:20,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1546, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:06:20,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:20,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:20,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 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) [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 13:06:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:24,135 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-07-14 13:06:24,374 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-07-14 13:06:24,677 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-07-14 13:06:24,917 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2021-07-14 13:06:25,168 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2021-07-14 13:06:25,430 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2021-07-14 13:06:25,676 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-07-14 13:06:26,037 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 13:06:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:26,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable496 [2021-07-14 13:06:26,329 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:26,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1833153834, now seen corresponding path program 29 times [2021-07-14 13:06:26,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:26,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128283226] [2021-07-14 13:06:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:26,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:26,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128283226] [2021-07-14 13:06:26,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128283226] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:26,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367476739] [2021-07-14 13:06:26,671 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 [2021-07-14 13:06:26,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 13:06:26,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:26,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 13:06:26,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:27,040 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 [2021-07-14 13:06:27,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,043 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 [2021-07-14 13:06:27,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:27,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:27,047 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:06:27,050 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,052 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 [2021-07-14 13:06:27,053 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:27,055 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,082 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 13:06:27,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:06:27,082 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:06:27,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:27,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:27,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:06:27,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:27,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:27,350 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,352 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 [2021-07-14 13:06:27,352 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:27,368 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:06:27,368 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:06:27,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:27,368 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:06:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:27,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367476739] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:27,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:27,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-07-14 13:06:27,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034238755] [2021-07-14 13:06:27,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 13:06:27,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:27,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 13:06:27,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 13:06:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:27,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:27,427 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) [2021-07-14 13:06:27,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:27,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:27,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:31,045 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 91 [2021-07-14 13:06:31,506 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 95 [2021-07-14 13:06:32,195 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 114 [2021-07-14 13:06:33,321 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 166 [2021-07-14 13:06:33,760 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 109 [2021-07-14 13:06:34,158 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 114 [2021-07-14 13:06:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:34,458 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable512,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:06:34,458 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:34,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:34,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1861166964, now seen corresponding path program 30 times [2021-07-14 13:06:34,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:34,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115414759] [2021-07-14 13:06:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:34,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:34,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115414759] [2021-07-14 13:06:34,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115414759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:34,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214700886] [2021-07-14 13:06:34,816 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 [2021-07-14 13:06:34,873 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 13:06:34,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:34,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 13:06:34,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:35,351 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 13:06:35,591 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 13:06:35,871 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 13:06:36,205 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-07-14 13:06:36,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,296 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 55 treesize of output 41 [2021-07-14 13:06:36,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:36,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,303 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 53 treesize of output 39 [2021-07-14 13:06:36,305 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:36,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:36,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:36,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,410 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 43 treesize of output 31 [2021-07-14 13:06:36,412 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:36,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:06:36,416 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 53 treesize of output 39 [2021-07-14 13:06:36,418 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:36,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:36,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,496 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 45 treesize of output 33 [2021-07-14 13:06:36,498 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:36,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:36,502 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 43 treesize of output 31 [2021-07-14 13:06:36,504 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:36,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:36,567 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. [2021-07-14 13:06:36,567 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:340, output treesize:146 [2021-07-14 13:06:37,552 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 13:06:37,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,584 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,589 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 27 treesize of output 21 [2021-07-14 13:06:37,590 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,595 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,601 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,606 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 18 treesize of output 14 [2021-07-14 13:06:37,606 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,611 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,617 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,623 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,628 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,633 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:37,638 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,778 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 13:06:37,778 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 13:06:37,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,782 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 10 treesize of output 5 [2021-07-14 13:06:37,783 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:37,786 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 20 treesize of output 9 [2021-07-14 13:06:37,787 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:37,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:37,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:06:37,840 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 13:06:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:37,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214700886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:37,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:37,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-14 13:06:37,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574869129] [2021-07-14 13:06:37,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 13:06:37,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:37,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 13:06:37,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1314, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 13:06:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:37,964 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:37,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 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) [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:37,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:39,077 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-07-14 13:06:40,209 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-07-14 13:06:41,363 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-07-14 13:06:43,197 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2021-07-14 13:06:43,567 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 59 [2021-07-14 13:06:43,840 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-07-14 13:06:44,122 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2021-07-14 13:06:44,375 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-14 13:06:44,675 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-14 13:06:44,939 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-07-14 13:06:45,315 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2021-07-14 13:06:45,664 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 13:06:46,010 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 13:06:46,357 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 13:06:46,696 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 13:06:47,165 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-07-14 13:06:47,699 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 157 [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 13:06:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 13:06:48,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable520 [2021-07-14 13:06:48,640 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:48,640 INFO L82 PathProgramCache]: Analyzing trace with hash 833072790, now seen corresponding path program 31 times [2021-07-14 13:06:48,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:48,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719572953] [2021-07-14 13:06:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:49,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:49,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719572953] [2021-07-14 13:06:49,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719572953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:49,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359780469] [2021-07-14 13:06:49,036 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 [2021-07-14 13:06:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:49,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 13:06:49,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:49,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:49,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:49,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:49,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:49,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:49,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:49,297 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 15 treesize of output 11 [2021-07-14 13:06:49,298 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:49,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:49,300 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 25 treesize of output 19 [2021-07-14 13:06:49,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:49,349 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.2 percent of original size [2021-07-14 13:06:49,352 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. [2021-07-14 13:06:49,352 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-14 13:06:49,915 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_162, array_4], 4=[array_0, v_prenex_161]} [2021-07-14 13:06:49,922 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 36 [2021-07-14 13:06:49,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:06:49,927 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 46 treesize of output 34 [2021-07-14 13:06:49,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:49,980 INFO L628 ElimStorePlain]: treesize reduction 83, result has 50.6 percent of original size [2021-07-14 13:06:49,982 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 29 treesize of output 21 [2021-07-14 13:06:49,984 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:50,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:50,000 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 13:06:50,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:50,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:50,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:50,004 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:50,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:50,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:50,007 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:50,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:50,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:50,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:06:50,036 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:206, output treesize:18 [2021-07-14 13:06:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:50,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359780469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:50,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:50,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-07-14 13:06:50,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928810275] [2021-07-14 13:06:50,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:06:50,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:06:50,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=970, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:06:50,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:50,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:50,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 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) [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 13:06:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:52,290 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2021-07-14 13:06:52,505 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2021-07-14 13:06:52,717 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-14 13:06:54,181 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-07-14 13:06:54,639 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 13:06:55,017 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:06:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:06:55,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable571,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:06:55,576 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:55,577 INFO L82 PathProgramCache]: Analyzing trace with hash 470235856, now seen corresponding path program 32 times [2021-07-14 13:06:55,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:55,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413995064] [2021-07-14 13:06:55,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:55,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:55,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413995064] [2021-07-14 13:06:55,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413995064] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:55,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712804800] [2021-07-14 13:06:55,850 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 [2021-07-14 13:06:55,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:06:55,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:55,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 13:06:55,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:06:55,991 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 [2021-07-14 13:06:55,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:55,993 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 [2021-07-14 13:06:55,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:56,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:06:56,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:06:56,006 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:06:56,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:06:56,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:56,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:56,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:06:56,175 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:06:56,189 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:06:56,189 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:06:56,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:06:56,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:06:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:56,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712804800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:56,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:06:56,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 13:06:56,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758762815] [2021-07-14 13:06:56,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 13:06:56,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:06:56,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 13:06:56,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-14 13:06:56,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:56,217 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:06:56,218 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) [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:56,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:06:56,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:06:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:06:57,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:06:57,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-07-14 13:06:57,285 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:06:57,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:06:57,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1693069832, now seen corresponding path program 33 times [2021-07-14 13:06:57,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:06:57,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486778049] [2021-07-14 13:06:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:06:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:06:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:06:58,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:06:58,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486778049] [2021-07-14 13:06:58,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486778049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:06:58,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435619718] [2021-07-14 13:06:58,235 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 [2021-07-14 13:06:58,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:06:58,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:06:58,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-14 13:06:58,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,163 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 [2021-07-14 13:07:00,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:00,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,181 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 72 treesize of output 48 [2021-07-14 13:07:00,183 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:00,403 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 13:07:00,403 INFO L628 ElimStorePlain]: treesize reduction 32, result has 92.5 percent of original size [2021-07-14 13:07:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,431 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 72 treesize of output 48 [2021-07-14 13:07:00,433 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,449 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 [2021-07-14 13:07:00,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:00,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,564 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 82 treesize of output 56 [2021-07-14 13:07:00,567 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:00,580 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 [2021-07-14 13:07:00,593 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:00,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:00,651 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. [2021-07-14 13:07:00,651 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:553, output treesize:165 [2021-07-14 13:07:01,478 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 13:07:01,796 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-14 13:07:02,198 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 13:07:02,613 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-07-14 13:07:03,118 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-14 13:07:03,264 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 55=[array_0]} [2021-07-14 13:07:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,288 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 83 treesize of output 57 [2021-07-14 13:07:03,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,316 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 [2021-07-14 13:07:03,318 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,342 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 92 treesize of output 64 [2021-07-14 13:07:03,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,369 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 82 treesize of output 56 [2021-07-14 13:07:03,372 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,398 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 [2021-07-14 13:07:03,400 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,436 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 90 treesize of output 62 [2021-07-14 13:07:03,440 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-07-14 13:07:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,469 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 82 treesize of output 56 [2021-07-14 13:07:03,472 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,499 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 73 treesize of output 49 [2021-07-14 13:07:03,501 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,527 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 72 treesize of output 48 [2021-07-14 13:07:03,529 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:03,545 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 [2021-07-14 13:07:03,547 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,806 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2021-07-14 13:07:03,807 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-07-14 13:07:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,813 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,819 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,824 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 11 treesize of output 3 [2021-07-14 13:07:03,824 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:03,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,838 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,844 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,850 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,856 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:03,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,874 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,879 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:03,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,893 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:03,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:03,897 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:03,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:04,030 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 13:07:04,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:04,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:07:04,034 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:969, output treesize:185 [2021-07-14 13:07:04,242 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 13:07:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:04,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435619718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:04,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:04,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-14 13:07:04,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810677826] [2021-07-14 13:07:04,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:07:04,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:04,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:07:04,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=2047, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:07:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:04,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:04,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 47 states have internal predecessors, (59), 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) [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:04,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:06,548 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-07-14 13:07:06,946 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2021-07-14 13:07:07,355 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 144 [2021-07-14 13:07:07,751 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 145 [2021-07-14 13:07:08,160 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 144 [2021-07-14 13:07:08,565 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 145 [2021-07-14 13:07:08,948 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 144 [2021-07-14 13:07:09,680 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2021-07-14 13:07:10,562 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 145 [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:10,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable600 [2021-07-14 13:07:10,902 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:10,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:10,903 INFO L82 PathProgramCache]: Analyzing trace with hash 974004442, now seen corresponding path program 34 times [2021-07-14 13:07:10,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:10,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272956483] [2021-07-14 13:07:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:11,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:11,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272956483] [2021-07-14 13:07:11,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272956483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:11,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214672904] [2021-07-14 13:07:11,534 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 [2021-07-14 13:07:11,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:07:11,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:11,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 13:07:11,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,860 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 [2021-07-14 13:07:12,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,889 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 [2021-07-14 13:07:12,891 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,920 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 [2021-07-14 13:07:12,922 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:12,936 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 [2021-07-14 13:07:12,938 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:12,999 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-14 13:07:13,002 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. [2021-07-14 13:07:13,002 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:355, output treesize:81 [2021-07-14 13:07:13,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,481 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,485 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 15 treesize of output 11 [2021-07-14 13:07:13,486 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,491 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,496 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-07-14 13:07:13,550 INFO L628 ElimStorePlain]: treesize reduction 200, result has 23.1 percent of original size [2021-07-14 13:07:13,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:13,553 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 11 treesize of output 3 [2021-07-14 13:07:13,553 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:13,556 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:13,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:13,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:13,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:07:13,581 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:220, output treesize:38 [2021-07-14 13:07:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:13,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214672904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:13,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:13,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-07-14 13:07:13,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149549801] [2021-07-14 13:07:13,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:07:13,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:13,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:07:13,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:07:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:13,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:13,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 47 states have internal predecessors, (59), 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) [2021-07-14 13:07:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:13,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:13,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:16,233 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-07-14 13:07:17,707 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-07-14 13:07:17,961 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:18,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable650,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:07:18,222 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash 130026814, now seen corresponding path program 35 times [2021-07-14 13:07:18,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:18,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770514879] [2021-07-14 13:07:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:18,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:18,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770514879] [2021-07-14 13:07:18,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770514879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:18,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889612599] [2021-07-14 13:07:18,605 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 [2021-07-14 13:07:18,657 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:07:18,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:18,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 13:07:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:18,915 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 [2021-07-14 13:07:18,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:18,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:18,920 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,922 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 [2021-07-14 13:07:18,922 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,924 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 [2021-07-14 13:07:18,925 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,927 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 [2021-07-14 13:07:18,928 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:18,931 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:18,959 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 13:07:18,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:07:18,960 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:07:19,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:19,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:19,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:19,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:19,198 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 17 treesize of output 13 [2021-07-14 13:07:19,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:19,201 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 [2021-07-14 13:07:19,202 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:19,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:19,204 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:19,218 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:07:19,218 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:07:19,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:07:19,219 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:07:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:19,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889612599] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:19,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:19,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-07-14 13:07:19,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880429284] [2021-07-14 13:07:19,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:07:19,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:19,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:07:19,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:07:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:19,257 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:19,257 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) [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:19,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:22,998 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 238 DAG size of output: 191 [2021-07-14 13:07:24,453 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 13:07:26,178 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 246 DAG size of output: 200 [2021-07-14 13:07:27,952 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 213 DAG size of output: 174 [2021-07-14 13:07:29,780 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 258 DAG size of output: 212 [2021-07-14 13:07:30,749 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 174 [2021-07-14 13:07:31,717 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 179 [2021-07-14 13:07:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:32,041 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable669,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:07:32,041 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:32,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 946217424, now seen corresponding path program 36 times [2021-07-14 13:07:32,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:32,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011655366] [2021-07-14 13:07:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:32,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:32,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011655366] [2021-07-14 13:07:32,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011655366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:32,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694830199] [2021-07-14 13:07:32,577 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 [2021-07-14 13:07:32,628 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:07:32,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:32,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 13:07:32,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,085 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 [2021-07-14 13:07:33,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,109 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 [2021-07-14 13:07:33,111 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,132 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 [2021-07-14 13:07:33,134 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:07:33,145 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 [2021-07-14 13:07:33,147 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:33,179 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:07:33,180 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:107 [2021-07-14 13:07:33,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,708 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,711 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 [2021-07-14 13:07:33,712 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,715 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 28 treesize of output 22 [2021-07-14 13:07:33,716 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,720 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,724 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,728 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,731 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,734 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,737 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,741 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,744 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,759 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:07:33,762 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,807 INFO L628 ElimStorePlain]: treesize reduction 65, result has 48.8 percent of original size [2021-07-14 13:07:33,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:33,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:33,810 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-14 13:07:33,813 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:33,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:33,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 13:07:33,830 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-14 13:07:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:33,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694830199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:33,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:33,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-07-14 13:07:33,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20352347] [2021-07-14 13:07:33,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:07:33,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:33,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:07:33,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:07:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:33,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:33,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 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) [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:33,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:33,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:34,935 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-07-14 13:07:35,979 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-07-14 13:07:37,021 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-07-14 13:07:39,462 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-07-14 13:07:39,685 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-07-14 13:07:39,871 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:07:40,053 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:07:40,251 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:07:40,433 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:07:40,617 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:07:40,852 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-07-14 13:07:41,188 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-07-14 13:07:42,084 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 13:07:42,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable677,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:07:42,365 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:42,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:42,365 INFO L82 PathProgramCache]: Analyzing trace with hash 2003943294, now seen corresponding path program 37 times [2021-07-14 13:07:42,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:42,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862845869] [2021-07-14 13:07:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:42,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:42,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862845869] [2021-07-14 13:07:42,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862845869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:42,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317234905] [2021-07-14 13:07:42,704 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 [2021-07-14 13:07:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:42,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 13:07:42,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:43,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:43,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,028 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 15 treesize of output 11 [2021-07-14 13:07:43,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:43,034 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,084 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.2 percent of original size [2021-07-14 13:07:43,086 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. [2021-07-14 13:07:43,086 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-14 13:07:43,836 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_198], 5=[array_0, v_prenex_197]} [2021-07-14 13:07:43,846 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 [2021-07-14 13:07:43,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,851 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 [2021-07-14 13:07:43,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:07:43,911 INFO L628 ElimStorePlain]: treesize reduction 90, result has 50.5 percent of original size [2021-07-14 13:07:43,913 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 [2021-07-14 13:07:43,915 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:43,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:43,934 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:43,936 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 21 treesize of output 7 [2021-07-14 13:07:43,937 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:43,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:43,957 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:43,957 INFO L518 ElimStorePlain]: Eliminatee v_prenex_197 vanished before elimination [2021-07-14 13:07:43,958 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:07:43,958 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:234, output treesize:18 [2021-07-14 13:07:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:43,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317234905] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:43,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:43,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-14 13:07:43,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380636191] [2021-07-14 13:07:43,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 13:07:43,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:43,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 13:07:44,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 13:07:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:44,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:44,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 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) [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 13:07:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:46,858 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-07-14 13:07:47,077 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-07-14 13:07:47,325 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-07-14 13:07:47,577 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 86 [2021-07-14 13:07:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 13:07:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:07:48,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable697 [2021-07-14 13:07:48,372 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:48,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:48,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1687360240, now seen corresponding path program 38 times [2021-07-14 13:07:48,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:48,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209653938] [2021-07-14 13:07:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:48,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:48,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209653938] [2021-07-14 13:07:48,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209653938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:48,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083109209] [2021-07-14 13:07:48,739 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 [2021-07-14 13:07:48,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:07:48,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:48,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 13:07:48,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:48,961 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 [2021-07-14 13:07:48,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:48,964 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 [2021-07-14 13:07:48,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:48,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:48,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:07:48,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 13:07:49,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:49,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:49,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:49,153 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 [2021-07-14 13:07:49,154 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:49,156 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 [2021-07-14 13:07:49,157 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:49,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:49,159 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:49,174 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:07:49,175 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:07:49,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:07:49,175 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:07:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:49,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083109209] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:49,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:49,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 27 [2021-07-14 13:07:49,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412648511] [2021-07-14 13:07:49,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 13:07:49,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:49,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 13:07:49,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-14 13:07:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:49,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:49,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 27 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) [2021-07-14 13:07:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:49,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:07:49,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:07:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:07:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:07:52,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable727 [2021-07-14 13:07:52,904 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:52,905 INFO L82 PathProgramCache]: Analyzing trace with hash 945750924, now seen corresponding path program 39 times [2021-07-14 13:07:52,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:52,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303033618] [2021-07-14 13:07:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:53,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:53,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303033618] [2021-07-14 13:07:53,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303033618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:53,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482120021] [2021-07-14 13:07:53,233 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 [2021-07-14 13:07:53,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:07:53,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:53,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 13:07:53,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:53,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:53,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:53,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:53,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:53,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:53,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:07:53,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:07:53,415 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:07:53,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:07:53,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:53,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:53,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:07:53,625 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:07:53,638 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:07:53,638 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:07:53,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:07:53,639 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:07:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:53,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482120021] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:53,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:07:53,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 13:07:53,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379310435] [2021-07-14 13:07:53,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 13:07:53,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:07:53,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 13:07:53,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 13:07:53,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:53,670 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:07:53,670 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) [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:53,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:53,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:07:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:07:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:07:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:07:55,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable733 [2021-07-14 13:07:55,092 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:07:55,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:07:55,092 INFO L82 PathProgramCache]: Analyzing trace with hash -745832244, now seen corresponding path program 40 times [2021-07-14 13:07:55,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:07:55,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075215664] [2021-07-14 13:07:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:07:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:07:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:07:56,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:07:56,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075215664] [2021-07-14 13:07:56,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075215664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:07:56,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214248491] [2021-07-14 13:07:56,067 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 [2021-07-14 13:07:56,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:07:56,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:07:56,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-14 13:07:56,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:07:57,145 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-07-14 13:07:57,645 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 200 [2021-07-14 13:07:58,218 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2021-07-14 13:07:58,930 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-07-14 13:07:59,704 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-07-14 13:08:00,640 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 216 [2021-07-14 13:08:01,638 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2021-07-14 13:08:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,817 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 [2021-07-14 13:08:01,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:01,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:01,852 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 [2021-07-14 13:08:01,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:02,212 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-07-14 13:08:02,213 INFO L628 ElimStorePlain]: treesize reduction 142, result has 80.3 percent of original size [2021-07-14 13:08:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,277 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 [2021-07-14 13:08:02,278 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,309 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 [2021-07-14 13:08:02,310 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:02,429 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-07-14 13:08:02,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:02,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:02,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:02,458 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 125 treesize of output 85 [2021-07-14 13:08:02,460 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:02,565 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-14 13:08:02,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:02,573 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. [2021-07-14 13:08:02,573 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:828, output treesize:397 [2021-07-14 13:08:04,889 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_217, v_prenex_219, array_4], 28=[v_prenex_218, array_0, v_prenex_216]} [2021-07-14 13:08:04,909 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 [2021-07-14 13:08:04,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:04,915 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 [2021-07-14 13:08:04,918 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,083 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-07-14 13:08:05,084 INFO L628 ElimStorePlain]: treesize reduction 85, result has 76.7 percent of original size [2021-07-14 13:08:05,087 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 [2021-07-14 13:08:05,090 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:08:05,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,176 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 71 treesize of output 55 [2021-07-14 13:08:05,178 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,182 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 73 treesize of output 57 [2021-07-14 13:08:05,184 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:05,223 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:05,227 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:05,272 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:05,275 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,309 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 12 treesize of output 5 [2021-07-14 13:08:05,309 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:05,312 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 10 treesize of output 5 [2021-07-14 13:08:05,312 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:05,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:05,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:08:05,349 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:487, output treesize:31 [2021-07-14 13:08:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:05,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214248491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:05,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:08:05,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-07-14 13:08:05,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377443848] [2021-07-14 13:08:05,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 13:08:05,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:08:05,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 13:08:05,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 13:08:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:05,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:08:05,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.25) internal successors, (65), 52 states have internal predecessors, (65), 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) [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:05,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:05,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:08,298 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-07-14 13:08:08,671 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 76 [2021-07-14 13:08:09,126 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 89 [2021-07-14 13:08:09,622 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 94 [2021-07-14 13:08:10,161 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 98 [2021-07-14 13:08:10,735 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 102 [2021-07-14 13:08:11,331 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 105 [2021-07-14 13:08:12,062 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 110 [2021-07-14 13:08:12,580 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 184 [2021-07-14 13:08:13,220 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 184 [2021-07-14 13:08:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:13,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:13,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable736 [2021-07-14 13:08:13,524 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:08:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:08:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash -783905342, now seen corresponding path program 41 times [2021-07-14 13:08:13,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:08:13,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860021579] [2021-07-14 13:08:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:08:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:08:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:14,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:08:14,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860021579] [2021-07-14 13:08:14,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860021579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:14,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337969856] [2021-07-14 13:08:14,131 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 [2021-07-14 13:08:14,187 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:08:14,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:08:14,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 13:08:14,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:08:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,342 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 92 treesize of output 62 [2021-07-14 13:08:16,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,379 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 [2021-07-14 13:08:16,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,414 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 [2021-07-14 13:08:16,416 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,449 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 [2021-07-14 13:08:16,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,489 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 [2021-07-14 13:08:16,492 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:16,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:16,512 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 [2021-07-14 13:08:16,514 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:16,633 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-07-14 13:08:16,634 INFO L628 ElimStorePlain]: treesize reduction 8, result has 95.1 percent of original size [2021-07-14 13:08:16,638 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. [2021-07-14 13:08:16,638 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:619, output treesize:149 [2021-07-14 13:08:17,500 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 13:08:17,503 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 [2021-07-14 13:08:17,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:08:17,506 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 [2021-07-14 13:08:17,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:17,529 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 13:08:17,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:17,531 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 21 treesize of output 7 [2021-07-14 13:08:17,532 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:17,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:17,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:08:17,539 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 13:08:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:17,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337969856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:17,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:08:17,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-07-14 13:08:17,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244987391] [2021-07-14 13:08:17,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 13:08:17,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:08:17,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 13:08:17,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2601, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 13:08:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:17,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:08:17,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 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) [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:17,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:17,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:22,371 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-14 13:08:22,769 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-07-14 13:08:23,130 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-07-14 13:08:23,474 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-07-14 13:08:23,836 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-07-14 13:08:24,208 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-07-14 13:08:24,585 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-07-14 13:08:24,943 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-07-14 13:08:25,448 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2021-07-14 13:08:25,851 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-14 13:08:26,297 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2021-07-14 13:08:26,663 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:27,020 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:27,385 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:27,746 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:28,093 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:28,460 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-07-14 13:08:28,847 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-14 13:08:28,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:08:29,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable806,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:08:29,158 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:08:29,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:08:29,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1469398358, now seen corresponding path program 42 times [2021-07-14 13:08:29,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:08:29,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927168461] [2021-07-14 13:08:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:08:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:08:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:29,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:08:29,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927168461] [2021-07-14 13:08:29,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927168461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:29,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027877773] [2021-07-14 13:08:29,629 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 [2021-07-14 13:08:29,688 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:08:29,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:08:29,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 13:08:29,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:08:29,997 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 [2021-07-14 13:08:29,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,002 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 8 treesize of output 6 [2021-07-14 13:08:30,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,005 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 [2021-07-14 13:08:30,006 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,008 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 [2021-07-14 13:08:30,009 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:30,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:30,012 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:30,015 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,044 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 13:08:30,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:08:30,044 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:08:30,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:30,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:30,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,346 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 [2021-07-14 13:08:30,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:30,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:30,349 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:08:30,352 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:30,366 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:08:30,366 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:08:30,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:08:30,367 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:08:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:30,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027877773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:30,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:08:30,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-07-14 13:08:30,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705481146] [2021-07-14 13:08:30,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 13:08:30,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:08:30,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 13:08:30,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 13:08:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:30,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:08:30,410 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) [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:30,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:30,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:08:30,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:34,100 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:34,688 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:35,242 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:35,813 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:36,367 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:36,953 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2021-07-14 13:08:37,522 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 194 [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:08:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:08:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:08:37,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable828,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:08:37,885 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:08:37,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:08:37,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1645302900, now seen corresponding path program 43 times [2021-07-14 13:08:37,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:08:37,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546411813] [2021-07-14 13:08:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:08:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:08:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:38,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:08:38,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546411813] [2021-07-14 13:08:38,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546411813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:38,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793556238] [2021-07-14 13:08:38,509 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 [2021-07-14 13:08:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:08:38,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 13:08:38,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:08:39,140 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 13:08:39,413 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-14 13:08:39,947 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 13:08:40,320 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 13:08:40,785 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-14 13:08:41,298 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-07-14 13:08:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,394 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 [2021-07-14 13:08:41,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,406 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 [2021-07-14 13:08:41,409 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:08:41,533 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-07-14 13:08:41,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-07-14 13:08:41,564 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,573 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 [2021-07-14 13:08:41,575 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:41,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,687 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 [2021-07-14 13:08:41,690 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:41,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:08:41,698 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 [2021-07-14 13:08:41,701 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:41,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:41,761 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. [2021-07-14 13:08:41,761 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:424, output treesize:146 [2021-07-14 13:08:43,238 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 13:08:43,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,243 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 19 treesize of output 15 [2021-07-14 13:08:43,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,255 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,260 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,266 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,271 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,277 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,282 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,287 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,293 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,297 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 26 treesize of output 20 [2021-07-14 13:08:43,298 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,302 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 25 treesize of output 19 [2021-07-14 13:08:43,303 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,454 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 13:08:43,454 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 13:08:43,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,460 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:43,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:43,465 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:43,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:43,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:08:43,527 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 13:08:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:43,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793556238] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:43,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:08:43,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-07-14 13:08:43,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593087232] [2021-07-14 13:08:43,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 13:08:43,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:08:43,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 13:08:43,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=2138, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 13:08:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:43,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:08:43,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 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) [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:43,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:08:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:08:45,366 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-07-14 13:08:46,910 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-07-14 13:08:48,460 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-07-14 13:08:51,812 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2021-07-14 13:08:52,237 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2021-07-14 13:08:52,548 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 64 [2021-07-14 13:08:52,856 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-07-14 13:08:53,195 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-07-14 13:08:53,557 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-07-14 13:08:53,859 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-07-14 13:08:54,235 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 13:08:54,543 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-14 13:08:54,979 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2021-07-14 13:08:55,371 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 13:08:55,748 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 13:08:56,162 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 13:08:56,575 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2021-07-14 13:08:56,965 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 13:08:57,343 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 13:08:57,733 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-14 13:08:58,273 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 173 [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:08:58,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:08:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:08:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:08:58,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable837 [2021-07-14 13:08:58,992 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:08:58,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:08:58,992 INFO L82 PathProgramCache]: Analyzing trace with hash -663146218, now seen corresponding path program 44 times [2021-07-14 13:08:58,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:08:58,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937879803] [2021-07-14 13:08:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:08:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:08:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:08:59,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:08:59,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937879803] [2021-07-14 13:08:59,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937879803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:08:59,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100860747] [2021-07-14 13:08:59,409 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 [2021-07-14 13:08:59,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:08:59,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:08:59,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 13:08:59,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:08:59,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:59,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:59,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:59,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:59,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:08:59,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:08:59,758 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:08:59,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:08:59,773 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. [2021-07-14 13:08:59,774 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 13:09:00,681 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 28=[array_0]} [2021-07-14 13:09:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,703 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 72 treesize of output 48 [2021-07-14 13:09:00,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,728 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 [2021-07-14 13:09:00,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,751 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 [2021-07-14 13:09:00,754 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:00,765 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 82 treesize of output 56 [2021-07-14 13:09:00,768 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 13:09:00,852 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 13:09:00,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,856 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 9 treesize of output 3 [2021-07-14 13:09:00,857 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:00,861 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:00,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:00,864 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:00,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:00,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:00,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:09:00,908 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:369, output treesize:55 [2021-07-14 13:09:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:01,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100860747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:01,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:01,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 42 [2021-07-14 13:09:01,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700125607] [2021-07-14 13:09:01,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 13:09:01,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 13:09:01,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1608, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 13:09:01,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:01,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:01,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 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) [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:01,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:03,027 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-07-14 13:09:03,300 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2021-07-14 13:09:03,593 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-07-14 13:09:03,922 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 96 [2021-07-14 13:09:04,274 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:04,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable896,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:09:04,704 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:09:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:09:04,705 INFO L82 PathProgramCache]: Analyzing trace with hash 917963906, now seen corresponding path program 45 times [2021-07-14 13:09:04,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:09:04,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500195340] [2021-07-14 13:09:04,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:09:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:05,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:09:05,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500195340] [2021-07-14 13:09:05,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500195340] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:05,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555345414] [2021-07-14 13:09:05,068 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 [2021-07-14 13:09:05,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:09:05,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:09:05,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 13:09:05,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:09:05,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,485 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 16 treesize of output 12 [2021-07-14 13:09:05,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,488 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 15 treesize of output 11 [2021-07-14 13:09:05,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:05,510 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. [2021-07-14 13:09:05,510 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-07-14 13:09:05,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,924 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 17 treesize of output 13 [2021-07-14 13:09:05,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,928 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 [2021-07-14 13:09:05,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,931 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 [2021-07-14 13:09:05,932 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:05,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:05,936 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:05,962 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-14 13:09:05,963 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:09:05,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:09:05,964 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-14 13:09:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:06,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555345414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:06,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:06,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 43 [2021-07-14 13:09:06,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195548308] [2021-07-14 13:09:06,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 13:09:06,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:06,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 13:09:06,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 13:09:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:06,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:06,008 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) [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:06,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:06,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:06,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 13:09:13,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable920 [2021-07-14 13:09:13,894 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:09:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:09:13,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1224616524, now seen corresponding path program 46 times [2021-07-14 13:09:13,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:09:13,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706245452] [2021-07-14 13:09:13,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:09:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:14,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:09:14,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706245452] [2021-07-14 13:09:14,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706245452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:14,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259223165] [2021-07-14 13:09:14,184 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 [2021-07-14 13:09:14,231 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:09:14,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:09:14,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 13:09:14,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:09:14,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:14,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:14,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:14,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:14,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:09:14,360 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:09:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:14,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:14,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:14,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:14,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,549 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 [2021-07-14 13:09:14,550 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:09:14,552 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:14,566 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:09:14,566 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:09:14,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:09:14,567 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:09:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:14,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259223165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:14,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:14,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 31 [2021-07-14 13:09:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499791885] [2021-07-14 13:09:14,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:09:14,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:14,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:09:14,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:09:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:14,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:14,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 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) [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 13:09:14,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:18,120 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-07-14 13:09:18,789 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 13:09:19,384 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 13:09:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:20,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable929,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:09:20,133 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:09:20,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:09:20,133 INFO L82 PathProgramCache]: Analyzing trace with hash -670870064, now seen corresponding path program 47 times [2021-07-14 13:09:20,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:09:20,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924586744] [2021-07-14 13:09:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:09:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:20,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:09:20,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924586744] [2021-07-14 13:09:20,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924586744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:20,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200773931] [2021-07-14 13:09:20,536 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 [2021-07-14 13:09:20,595 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:09:20,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:09:20,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 13:09:20,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:09:20,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:20,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:20,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:20,721 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 16 treesize of output 12 [2021-07-14 13:09:20,722 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:20,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:20,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:09:20,735 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:09:20,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:20,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:20,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:20,993 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 15 treesize of output 11 [2021-07-14 13:09:20,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:21,008 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:09:21,008 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:09:21,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:09:21,009 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:09:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:21,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200773931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:21,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:21,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-14 13:09:21,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594109085] [2021-07-14 13:09:21,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 13:09:21,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:21,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 13:09:21,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 13:09:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:21,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:21,043 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) [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:21,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:21,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:21,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:09:22,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable935 [2021-07-14 13:09:22,854 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:09:22,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:09:22,854 INFO L82 PathProgramCache]: Analyzing trace with hash 678524680, now seen corresponding path program 48 times [2021-07-14 13:09:22,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:09:22,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820706125] [2021-07-14 13:09:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:09:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:23,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:09:23,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820706125] [2021-07-14 13:09:23,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820706125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:23,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979389883] [2021-07-14 13:09:23,856 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 [2021-07-14 13:09:23,911 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:09:23,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:09:23,921 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-14 13:09:23,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:09:25,244 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 13:09:25,503 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-14 13:09:25,840 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-14 13:09:26,250 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-07-14 13:09:26,598 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-14 13:09:26,994 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-14 13:09:27,485 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-07-14 13:09:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 105 [2021-07-14 13:09:27,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:27,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:27,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 103 [2021-07-14 13:09:27,862 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:28,025 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 13:09:28,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:28,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 95 [2021-07-14 13:09:28,103 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:28,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:28,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:28,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 103 [2021-07-14 13:09:28,144 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:28,258 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-07-14 13:09:28,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:28,267 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. [2021-07-14 13:09:28,267 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:649, output treesize:385 [2021-07-14 13:09:29,252 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-07-14 13:09:29,974 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 197 [2021-07-14 13:09:30,654 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 197 [2021-07-14 13:09:31,253 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2021-07-14 13:09:31,956 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 197 [2021-07-14 13:09:32,534 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2021-07-14 13:09:33,245 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 197 [2021-07-14 13:09:33,869 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 197 [2021-07-14 13:09:34,005 INFO L446 ElimStorePlain]: Different costs {8=[array_4], 820=[array_0]} [2021-07-14 13:09:34,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,034 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 78 treesize of output 60 [2021-07-14 13:09:34,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,064 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 98 treesize of output 76 [2021-07-14 13:09:34,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-14 13:09:34,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,102 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 90 treesize of output 70 [2021-07-14 13:09:34,105 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,138 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 88 treesize of output 68 [2021-07-14 13:09:34,142 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,194 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 88 treesize of output 68 [2021-07-14 13:09:34,197 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,234 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 81 treesize of output 63 [2021-07-14 13:09:34,237 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,265 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 91 treesize of output 71 [2021-07-14 13:09:34,268 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 13:09:34,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,295 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 98 treesize of output 76 [2021-07-14 13:09:34,298 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2021-07-14 13:09:34,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,326 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 88 treesize of output 68 [2021-07-14 13:09:34,328 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,335 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 100 treesize of output 78 [2021-07-14 13:09:34,338 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-14 13:09:34,638 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-07-14 13:09:34,639 INFO L628 ElimStorePlain]: treesize reduction 272, result has 57.4 percent of original size [2021-07-14 13:09:34,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:34,646 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:34,651 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:34,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:34,666 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,670 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 21 treesize of output 7 [2021-07-14 13:09:34,671 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:34,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,688 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 44 treesize of output 19 [2021-07-14 13:09:34,689 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:34,694 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:34,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:34,712 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,717 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 12 treesize of output 5 [2021-07-14 13:09:34,718 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,725 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 23 treesize of output 11 [2021-07-14 13:09:34,726 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:34,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:34,738 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 10 treesize of output 5 [2021-07-14 13:09:34,738 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:34,842 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 13:09:34,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:34,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 13:09:34,847 INFO L247 ElimStorePlain]: Needed 21 recursive calls to eliminate 7 variables, input treesize:1099, output treesize:193 [2021-07-14 13:09:35,096 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2021-07-14 13:09:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:35,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979389883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:35,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:35,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-14 13:09:35,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517392392] [2021-07-14 13:09:35,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 13:09:35,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:35,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 13:09:35,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=3131, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 13:09:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:35,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:35,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 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) [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:09:35,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:38,106 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-07-14 13:09:38,544 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-07-14 13:09:39,033 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-07-14 13:09:39,601 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2021-07-14 13:09:40,286 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 209 [2021-07-14 13:09:40,950 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2021-07-14 13:09:41,768 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 142 [2021-07-14 13:09:42,598 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 219 [2021-07-14 13:09:43,197 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 217 [2021-07-14 13:09:44,078 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:09:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:44,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable938,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:09:44,402 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:09:44,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:09:44,402 INFO L82 PathProgramCache]: Analyzing trace with hash 493609306, now seen corresponding path program 49 times [2021-07-14 13:09:44,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:09:44,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177187880] [2021-07-14 13:09:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:09:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:45,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:09:45,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177187880] [2021-07-14 13:09:45,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177187880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:45,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218348561] [2021-07-14 13:09:45,165 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 [2021-07-14 13:09:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:09:45,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-14 13:09:45,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:09:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,503 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 [2021-07-14 13:09:47,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,554 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 [2021-07-14 13:09:47,557 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,603 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 [2021-07-14 13:09:47,606 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:09:47,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:47,631 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 [2021-07-14 13:09:47,634 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:47,700 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-07-14 13:09:47,703 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. [2021-07-14 13:09:47,704 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:449, output treesize:87 [2021-07-14 13:09:48,826 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-14 13:09:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,839 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,844 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-07-14 13:09:48,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,849 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,853 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,931 INFO L628 ElimStorePlain]: treesize reduction 224, result has 22.8 percent of original size [2021-07-14 13:09:48,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,936 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:09:48,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:09:48,939 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:09:48,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:48,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:09:48,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:09:48,970 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-14 13:09:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:09:49,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218348561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:09:49,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:09:49,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 59 [2021-07-14 13:09:49,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582196349] [2021-07-14 13:09:49,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 13:09:49,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:09:49,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 13:09:49,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=3283, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 13:09:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:49,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:09:49,126 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) [2021-07-14 13:09:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:09:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:09:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:49,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:09:49,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:09:55,013 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-07-14 13:09:55,313 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 13:09:55,642 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 13:09:55,982 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 13:09:56,335 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 115 [2021-07-14 13:09:56,660 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 13:09:56,997 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 13:09:57,349 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-07-14 13:09:57,739 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-14 13:09:58,126 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-14 13:09:58,626 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2021-07-14 13:09:59,010 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2021-07-14 13:09:59,379 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-14 13:09:59,753 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-14 13:10:00,708 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2021-07-14 13:10:01,105 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-14 13:10:01,504 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-14 13:10:01,893 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2021-07-14 13:10:02,389 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2021-07-14 13:10:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:02,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1029,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:10:02,794 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1877320514, now seen corresponding path program 50 times [2021-07-14 13:10:02,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:02,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504194353] [2021-07-14 13:10:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:03,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:03,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504194353] [2021-07-14 13:10:03,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504194353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:03,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019764256] [2021-07-14 13:10:03,472 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 [2021-07-14 13:10:03,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:10:03,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:10:03,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 13:10:03,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:04,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:04,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:04,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,247 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 [2021-07-14 13:10:04,248 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,251 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 [2021-07-14 13:10:04,252 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:04,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:04,256 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,259 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 [2021-07-14 13:10:04,260 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:10:04,269 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,297 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 13:10:04,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:10:04,297 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:10:04,816 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 [2021-07-14 13:10:04,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,819 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 [2021-07-14 13:10:04,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:04,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:04,823 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,824 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 17 treesize of output 13 [2021-07-14 13:10:04,825 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:04,845 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 13:10:04,845 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:10:04,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:10:04,846 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:10:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:04,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019764256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:04,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:10:04,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 61 [2021-07-14 13:10:04,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434801765] [2021-07-14 13:10:04,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 13:10:04,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:10:04,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 13:10:04,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=3507, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 13:10:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:04,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:10:04,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 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) [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:04,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:04,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:04,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:12,761 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:13,687 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:14,552 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:15,452 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:16,276 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:17,087 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:17,963 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-07-14 13:10:18,855 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 252 [2021-07-14 13:10:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:19,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1048 [2021-07-14 13:10:19,261 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:19,261 INFO L82 PathProgramCache]: Analyzing trace with hash -439911216, now seen corresponding path program 51 times [2021-07-14 13:10:19,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:19,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627899809] [2021-07-14 13:10:19,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:20,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:20,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627899809] [2021-07-14 13:10:20,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627899809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:20,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791707536] [2021-07-14 13:10:20,298 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 [2021-07-14 13:10:20,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 13:10:20,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:10:20,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-14 13:10:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:21,289 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 [2021-07-14 13:10:21,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:10:21,315 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 [2021-07-14 13:10:21,317 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,355 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 [2021-07-14 13:10:21,358 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,384 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 68 treesize of output 50 [2021-07-14 13:10:21,386 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,411 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 [2021-07-14 13:10:21,414 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 13:10:21,418 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 [2021-07-14 13:10:21,420 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,527 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-07-14 13:10:21,528 INFO L628 ElimStorePlain]: treesize reduction 229, result has 43.3 percent of original size [2021-07-14 13:10:21,548 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 [2021-07-14 13:10:21,551 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,553 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 [2021-07-14 13:10:21,555 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:21,578 INFO L628 ElimStorePlain]: treesize reduction 13, result has 79.0 percent of original size [2021-07-14 13:10:21,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:10:21,579 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:713, output treesize:49 [2021-07-14 13:10:22,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,238 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 18 treesize of output 14 [2021-07-14 13:10:22,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:22,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,245 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 [2021-07-14 13:10:22,246 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:22,250 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:22,253 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:10:22,256 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:10:22,258 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,260 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 17 treesize of output 13 [2021-07-14 13:10:22,261 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,293 INFO L628 ElimStorePlain]: treesize reduction 52, result has 43.5 percent of original size [2021-07-14 13:10:22,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:22,296 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 9 treesize of output 3 [2021-07-14 13:10:22,296 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:22,298 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:22,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:10:22,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:10:22,310 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:197, output treesize:29 [2021-07-14 13:10:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:22,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791707536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:22,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:10:22,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-07-14 13:10:22,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158563685] [2021-07-14 13:10:22,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 13:10:22,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:10:22,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 13:10:22,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=2434, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 13:10:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:22,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:10:22,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 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) [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:22,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:22,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:24,378 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-07-14 13:10:24,586 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2021-07-14 13:10:24,812 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 13:10:25,029 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-14 13:10:25,262 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2021-07-14 13:10:25,502 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-07-14 13:10:25,742 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2021-07-14 13:10:25,948 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2021-07-14 13:10:26,215 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-07-14 13:10:26,497 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-07-14 13:10:26,710 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-07-14 13:10:26,915 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-07-14 13:10:27,119 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-07-14 13:10:27,322 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2021-07-14 13:10:27,545 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-07-14 13:10:27,747 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-07-14 13:10:28,006 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 13:10:28,408 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2021-07-14 13:10:29,768 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2021-07-14 13:10:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:30,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1056 [2021-07-14 13:10:30,100 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:30,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2127659266, now seen corresponding path program 52 times [2021-07-14 13:10:30,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:30,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959855410] [2021-07-14 13:10:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:30,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:30,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959855410] [2021-07-14 13:10:30,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959855410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:30,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339787126] [2021-07-14 13:10:30,638 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 [2021-07-14 13:10:30,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:10:30,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:10:30,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 13:10:30,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:31,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:31,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:31,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:31,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:31,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:31,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:31,065 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:31,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:10:31,085 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. [2021-07-14 13:10:31,086 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 13:10:32,250 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 13:10:32,302 INFO L446 ElimStorePlain]: Different costs {28=[array_4], 36=[array_0]} [2021-07-14 13:10:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,335 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 [2021-07-14 13:10:32,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,385 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 [2021-07-14 13:10:32,388 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 13:10:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,421 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 [2021-07-14 13:10:32,423 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:10:32,440 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 [2021-07-14 13:10:32,443 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,530 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 13:10:32,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,534 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 [2021-07-14 13:10:32,535 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:32,539 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:10:32,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:32,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:32,549 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:32,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:10:32,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:10:32,588 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:413, output treesize:55 [2021-07-14 13:10:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:32,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339787126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:32,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:10:32,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 47 [2021-07-14 13:10:32,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745686897] [2021-07-14 13:10:32,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:10:32,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:10:32,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:10:32,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2033, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:10:32,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:32,717 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:10:32,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 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) [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:32,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:32,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:32,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:35,862 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2021-07-14 13:10:36,163 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-07-14 13:10:36,418 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 63 [2021-07-14 13:10:36,680 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-07-14 13:10:36,988 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-07-14 13:10:37,291 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-14 13:10:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:41,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1091 [2021-07-14 13:10:41,383 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:41,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:41,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1931244438, now seen corresponding path program 53 times [2021-07-14 13:10:41,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:41,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296074459] [2021-07-14 13:10:41,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:42,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:42,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296074459] [2021-07-14 13:10:42,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296074459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:42,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283779927] [2021-07-14 13:10:42,005 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 [2021-07-14 13:10:42,066 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 13:10:42,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:10:42,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-14 13:10:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:42,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:42,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:42,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:42,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:42,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:42,208 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:42,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:42,211 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:42,249 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-07-14 13:10:42,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:10:42,250 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-07-14 13:10:43,045 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 [2021-07-14 13:10:43,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:10:43,057 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-07-14 13:10:43,057 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:10:43,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:10:43,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:11 [2021-07-14 13:10:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:43,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283779927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:43,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:10:43,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 43 [2021-07-14 13:10:43,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5255606] [2021-07-14 13:10:43,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 13:10:43,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:10:43,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 13:10:43,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1703, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 13:10:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:43,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:10:43,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 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) [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:43,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:43,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:43,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:45,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1117,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:10:45,318 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:45,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:45,318 INFO L82 PathProgramCache]: Analyzing trace with hash 673216140, now seen corresponding path program 54 times [2021-07-14 13:10:45,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:45,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342631352] [2021-07-14 13:10:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:45,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:45,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342631352] [2021-07-14 13:10:45,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342631352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:45,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135838859] [2021-07-14 13:10:45,824 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 [2021-07-14 13:10:45,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 13:10:45,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:10:45,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 13:10:45,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:46,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:46,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:46,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:46,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:46,023 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:46,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:10:46,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:10:46,036 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 13:10:46,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:10:46,354 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 16 treesize of output 12 [2021-07-14 13:10:46,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:46,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:10:46,357 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:10:46,371 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 13:10:46,372 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:10:46,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:10:46,372 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 13:10:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:46,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135838859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:46,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:10:46,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-14 13:10:46,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283661753] [2021-07-14 13:10:46,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 13:10:46,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:10:46,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 13:10:46,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 13:10:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:46,409 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:10:46,409 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) [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:46,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:46,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:46,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:10:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:10:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:10:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:10:48,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:10:48,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1138 [2021-07-14 13:10:48,645 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:10:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:10:48,645 INFO L82 PathProgramCache]: Analyzing trace with hash -604475956, now seen corresponding path program 55 times [2021-07-14 13:10:48,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:10:48,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072502675] [2021-07-14 13:10:48,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:10:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:10:49,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:10:49,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072502675] [2021-07-14 13:10:49,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072502675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:10:49,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721347386] [2021-07-14 13:10:49,824 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 [2021-07-14 13:10:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:10:49,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 119 conjunts are in the unsatisfiable core [2021-07-14 13:10:49,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:10:51,639 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-14 13:10:52,364 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2021-07-14 13:10:53,262 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 247 [2021-07-14 13:10:54,290 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 252 [2021-07-14 13:10:55,443 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 256 [2021-07-14 13:10:56,797 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 182 DAG size of output: 179 [2021-07-14 13:10:58,311 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 186 DAG size of output: 183 [2021-07-14 13:10:59,986 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2021-07-14 13:11:01,920 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2021-07-14 13:11:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,159 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-14 13:11:02,160 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 [2021-07-14 13:11:02,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:02,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:02,213 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 [2021-07-14 13:11:02,215 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:03,018 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2021-07-14 13:11:03,019 INFO L628 ElimStorePlain]: treesize reduction 178, result has 80.0 percent of original size [2021-07-14 13:11:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,124 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 [2021-07-14 13:11:03,126 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,176 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 [2021-07-14 13:11:03,178 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:03,336 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-07-14 13:11:03,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:03,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:03,398 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 161 treesize of output 109 [2021-07-14 13:11:03,400 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:03,537 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 13:11:03,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:03,547 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. [2021-07-14 13:11:03,547 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:1046, output treesize:489 [2021-07-14 13:11:07,543 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_313, v_prenex_315], 45=[array_0, v_prenex_312, v_prenex_314]} [2021-07-14 13:11:07,574 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 89 treesize of output 69 [2021-07-14 13:11:07,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:07,582 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 91 treesize of output 71 [2021-07-14 13:11:07,584 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:07,822 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-07-14 13:11:07,822 INFO L628 ElimStorePlain]: treesize reduction 103, result has 76.4 percent of original size [2021-07-14 13:11:07,827 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 [2021-07-14 13:11:07,830 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 13:11:07,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:07,944 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 [2021-07-14 13:11:07,947 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:07,951 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 [2021-07-14 13:11:07,954 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:07,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:07,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:08,001 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:08,005 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:08,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,047 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 11 treesize of output 3 [2021-07-14 13:11:08,047 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:08,051 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:08,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:08,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,095 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 12 treesize of output 5 [2021-07-14 13:11:08,095 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:08,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:08,099 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:08,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:08,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 13:11:08,130 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:595, output treesize:31 [2021-07-14 13:11:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:11:08,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721347386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:11:08,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:11:08,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 65 [2021-07-14 13:11:08,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825223822] [2021-07-14 13:11:08,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 13:11:08,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:11:08,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 13:11:08,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=4008, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 13:11:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:11:08,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:11:08,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 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) [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:08,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:08,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:08,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:11:14,069 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-07-14 13:11:15,252 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 183 [2021-07-14 13:11:16,401 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 195 [2021-07-14 13:11:17,688 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 198 [2021-07-14 13:11:19,088 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 291 DAG size of output: 246 [2021-07-14 13:11:20,576 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 339 DAG size of output: 250 [2021-07-14 13:11:22,074 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2021-07-14 13:11:23,673 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2021-07-14 13:11:25,824 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-14 13:11:28,169 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2021-07-14 13:11:29,095 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 223 [2021-07-14 13:11:30,342 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 229 [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:11:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:11:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:30,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:30,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1141,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:11:30,729 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:11:30,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:11:30,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1611107138, now seen corresponding path program 56 times [2021-07-14 13:11:30,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:11:30,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456693944] [2021-07-14 13:11:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:11:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:11:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:11:31,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:11:31,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456693944] [2021-07-14 13:11:31,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456693944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:11:31,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928241710] [2021-07-14 13:11:31,657 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 [2021-07-14 13:11:31,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:11:31,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:11:31,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-14 13:11:31,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:11:33,512 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:33,787 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:34,052 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:34,318 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:34,593 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:35,424 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 13:11:35,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,560 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 [2021-07-14 13:11:35,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,632 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 [2021-07-14 13:11:35,634 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,694 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 [2021-07-14 13:11:35,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,757 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 [2021-07-14 13:11:35,761 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,822 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 [2021-07-14 13:11:35,825 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:35,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:11:35,854 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 [2021-07-14 13:11:35,857 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:35,973 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 13:11:35,974 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 13:11:35,978 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. [2021-07-14 13:11:35,978 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-07-14 13:11:37,358 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_323], 1=[array_0, v_prenex_322]} [2021-07-14 13:11:37,361 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 [2021-07-14 13:11:37,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:11:37,365 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 [2021-07-14 13:11:37,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:37,414 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-07-14 13:11:37,416 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 [2021-07-14 13:11:37,417 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:37,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:37,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:37,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:37,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:37,438 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:37,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:37,441 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 21 treesize of output 7 [2021-07-14 13:11:37,441 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:37,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:37,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:11:37,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-07-14 13:11:37,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:11:37,466 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-14 13:11:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:11:37,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928241710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:11:37,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:11:37,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-14 13:11:37,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941516163] [2021-07-14 13:11:37,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 13:11:37,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:11:37,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 13:11:37,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=4123, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 13:11:37,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:11:37,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:11:37,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.196969696969697) internal successors, (79), 66 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) [2021-07-14 13:11:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:11:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:11:37,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:37,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:11:42,013 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-14 13:11:42,268 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 13:11:42,911 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 164 [2021-07-14 13:11:43,431 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:44,015 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:44,587 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:45,216 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 163 [2021-07-14 13:11:45,769 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-07-14 13:11:46,321 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:46,869 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:47,470 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2021-07-14 13:11:48,081 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-07-14 13:11:48,625 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-07-14 13:11:49,322 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 113 [2021-07-14 13:11:49,889 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-07-14 13:11:50,447 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:50,980 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:51,544 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:52,108 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2021-07-14 13:11:52,691 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:53,321 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:53,866 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2021-07-14 13:11:54,426 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122 [2021-07-14 13:11:54,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:11:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:11:54,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1227 [2021-07-14 13:11:54,814 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:11:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:11:54,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1594626090, now seen corresponding path program 57 times [2021-07-14 13:11:54,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:11:54,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912931374] [2021-07-14 13:11:54,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:11:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:11:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:11:55,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:11:55,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912931374] [2021-07-14 13:11:55,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912931374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:11:55,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971534555] [2021-07-14 13:11:55,587 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 [2021-07-14 13:11:55,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 13:11:55,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:11:55,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 13:11:55,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:11:56,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:56,485 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 17 treesize of output 13 [2021-07-14 13:11:56,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,488 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 [2021-07-14 13:11:56,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,491 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 [2021-07-14 13:11:56,492 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:56,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:56,495 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:11:56,498 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:11:56,500 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:56,529 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-14 13:11:56,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:11:56,529 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 13:11:57,129 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 [2021-07-14 13:11:57,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:57,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:57,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:57,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:57,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:11:57,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 13:11:57,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:57,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 13:11:57,138 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 13:11:57,152 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 13:11:57,153 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 13:11:57,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:11:57,153 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 13:11:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:11:57,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971534555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:11:57,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:11:57,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 67 [2021-07-14 13:11:57,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501157778] [2021-07-14 13:11:57,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 13:11:57,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:11:57,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 13:11:57,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=4253, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 13:11:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:11:57,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:11:57,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 67 states have internal predecessors, (82), 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) [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:11:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:11:57,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:11:57,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:12:06,162 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:07,191 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:08,173 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 222 [2021-07-14 13:12:09,108 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:10,028 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:11,063 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 222 [2021-07-14 13:12:12,075 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:13,100 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 222 [2021-07-14 13:12:13,990 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:12:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:12:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:12:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:12:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:12:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:12:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:12:14,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1255,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:12:14,453 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:12:14,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:12:14,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1558225268, now seen corresponding path program 58 times [2021-07-14 13:12:14,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:12:14,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454538927] [2021-07-14 13:12:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:12:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:12:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:12:15,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:12:15,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454538927] [2021-07-14 13:12:15,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454538927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:12:15,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899969384] [2021-07-14 13:12:15,378 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 [2021-07-14 13:12:15,434 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:12:15,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:12:15,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 13:12:15,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:12:16,163 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 13:12:16,467 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-14 13:12:16,802 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 13:12:17,199 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 13:12:17,672 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-14 13:12:18,208 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-07-14 13:12:18,833 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2021-07-14 13:12:19,207 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 13:12:19,208 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 13:12:19,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1262,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:12:19,413 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.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) 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:367) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-14 13:12:19,416 INFO L168 Benchmark]: Toolchain (without parser) took 466209.57 ms. Allocated memory was 209.7 MB in the beginning and 638.6 MB in the end (delta: 428.9 MB). Free memory was 188.5 MB in the beginning and 180.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 438.5 MB. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 209.7 MB. Free memory is still 189.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.51 ms. Allocated memory is still 209.7 MB. Free memory was 188.4 MB in the beginning and 186.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L168 Benchmark]: Boogie Preprocessor took 12.09 ms. Allocated memory is still 209.7 MB. Free memory was 186.8 MB in the beginning and 185.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L168 Benchmark]: RCFGBuilder took 391.69 ms. Allocated memory is still 209.7 MB. Free memory was 185.7 MB in the beginning and 164.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L168 Benchmark]: TraceAbstraction took 465774.89 ms. Allocated memory was 209.7 MB in the beginning and 638.6 MB in the end (delta: 428.9 MB). Free memory was 163.6 MB in the beginning and 180.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 413.4 MB. Max. memory is 8.0 GB. [2021-07-14 13:12:19,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 209.7 MB. Free memory is still 189.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.51 ms. Allocated memory is still 209.7 MB. Free memory was 188.4 MB in the beginning and 186.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.09 ms. Allocated memory is still 209.7 MB. Free memory was 186.8 MB in the beginning and 185.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 391.69 ms. Allocated memory is still 209.7 MB. Free memory was 185.7 MB in the beginning and 164.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 465774.89 ms. Allocated memory was 209.7 MB in the beginning and 638.6 MB in the end (delta: 428.9 MB). Free memory was 163.6 MB in the beginning and 180.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 413.4 MB. Max. memory is 8.0 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...