/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:46:04,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:46:04,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:46:04,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 02:46:04,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:46:04,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:46:04,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:46:04,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:46:04,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:46:04,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:46:04,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:46:04,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:46:04,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:46:04,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:46:04,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:46:04,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:46:04,892 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:46:04,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:46:04,892 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:46:05,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:46:05,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:46:05,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:46:05,188 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:46:05,189 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:46:05,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl [2021-06-07 02:46:05,194 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl' [2021-06-07 02:46:05,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:46:05,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:46:05,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:46:05,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:46:05,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:46:05,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:46:05,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:46:05,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:46:05,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:46:05,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... [2021-06-07 02:46:05,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:46:05,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:46:05,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:46:05,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:46:05,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:46:05,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:46:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:46:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:46:05,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:46:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:46:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:46:05,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:46:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:46:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:46:05,305 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 02:46:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 02:46:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 02:46:05,305 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:46:05,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:46:05,618 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-07 02:46:05,618 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:46:05,619 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-07 02:46:05,619 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-07 02:46:05,620 INFO L202 PluginConnector]: Adding new model array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:46:05 BoogieIcfgContainer [2021-06-07 02:46:05,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:46:05,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:46:05,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:46:05,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:46:05,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:46:05" (1/2) ... [2021-06-07 02:46:05,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71456abf and model type array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:46:05, skipping insertion in model container [2021-06-07 02:46:05,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:46:05" (2/2) ... [2021-06-07 02:46:05,624 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-subst.wvr.bpl [2021-06-07 02:46:05,628 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:46:05,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:46:05,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:46:05,628 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:46:05,663 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 02:46:05,678 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 02:46:05,721 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:46:05,721 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:46:05,721 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:46:05,721 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:46:05,722 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:46:05,722 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:46:05,722 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:46:05,722 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:46:05,753 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:05,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1187509796, now seen corresponding path program 1 times [2021-06-07 02:46:05,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:05,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771102269] [2021-06-07 02:46:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:05,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:05,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771102269] [2021-06-07 02:46:05,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771102269] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:46:05,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:46:05,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 02:46:05,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082756015] [2021-06-07 02:46:05,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 02:46:05,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:05,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 02:46:05,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 02:46:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:05,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:05,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:05,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:05,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:46:05,956 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1640659470, now seen corresponding path program 1 times [2021-06-07 02:46:05,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:05,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666149142] [2021-06-07 02:46:05,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:06,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:06,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666149142] [2021-06-07 02:46:06,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666149142] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:06,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352880097] [2021-06-07 02:46:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:06,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 02:46:06,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:06,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352880097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:06,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:06,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-06-07 02:46:06,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790032501] [2021-06-07 02:46:06,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:46:06,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:06,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:46:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:46:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:06,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:06,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:06,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:06,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:06,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:06,554 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:06,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:06,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1008241310, now seen corresponding path program 1 times [2021-06-07 02:46:06,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:06,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674795866] [2021-06-07 02:46:06,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:06,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:06,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674795866] [2021-06-07 02:46:06,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674795866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:06,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218766779] [2021-06-07 02:46:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:06,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 02:46:06,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:06,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218766779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:06,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:06,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 02:46:06,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575572297] [2021-06-07 02:46:06,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 02:46:06,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:06,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 02:46:06,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-07 02:46:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:06,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:06,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:06,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:06,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:06,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:06,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:07,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:07,143 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1191369722, now seen corresponding path program 1 times [2021-06-07 02:46:07,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:07,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995093724] [2021-06-07 02:46:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:07,547 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-06-07 02:46:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:08,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:08,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995093724] [2021-06-07 02:46:08,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995093724] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:08,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551533083] [2021-06-07 02:46:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:08,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-07 02:46:08,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:08,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-07 02:46:08,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:08,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,399 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 35 treesize of output 27 [2021-06-07 02:46:08,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:08,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:08,409 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:08,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:08,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-07 02:46:08,418 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:08,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:08,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:46:08,482 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:193, output treesize:159 [2021-06-07 02:46:09,322 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_10, v_prenex_20, array_2, v_prenex_12, v_prenex_17, v_prenex_15], 1=[v_prenex_21, array_4, v_prenex_13, v_prenex_11, v_prenex_18, v_prenex_16]} [2021-06-07 02:46:09,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-07 02:46:09,332 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-07 02:46:09,340 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,503 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 91 [2021-06-07 02:46:09,503 INFO L628 ElimStorePlain]: treesize reduction 185, result has 53.9 percent of original size [2021-06-07 02:46:09,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-07 02:46:09,509 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-07 02:46:09,575 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-07 02:46:09,637 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,697 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 19 treesize of output 15 [2021-06-07 02:46:09,698 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,754 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 31 treesize of output 25 [2021-06-07 02:46:09,757 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,762 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 29 treesize of output 23 [2021-06-07 02:46:09,764 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 6 [2021-06-07 02:46:09,826 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:09,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,875 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:09,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-06-07 02:46:09,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:46:09,882 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:09,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,936 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 11 treesize of output 7 [2021-06-07 02:46:09,938 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:09,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:09,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:46:09,993 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:09,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:09,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 8 [2021-06-07 02:46:10,000 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:10,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:10,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-07 02:46:10,057 INFO L247 ElimStorePlain]: Needed 14 recursive calls to eliminate 18 variables, input treesize:419, output treesize:67 [2021-06-07 02:46:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:10,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551533083] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:10,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:10,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2021-06-07 02:46:10,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198533889] [2021-06-07 02:46:10,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 02:46:10,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:10,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 02:46:10,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-06-07 02:46:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:10,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:10,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 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) [2021-06-07 02:46:10,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:10,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:10,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:10,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:10,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:10,699 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:10,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:10,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1891096528, now seen corresponding path program 2 times [2021-06-07 02:46:10,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:10,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067244594] [2021-06-07 02:46:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:46:10,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:10,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067244594] [2021-06-07 02:46:10,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067244594] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:10,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978472396] [2021-06-07 02:46:10,757 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:10,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:46:10,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:10,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 02:46:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:10,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:10,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-07 02:46:10,861 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:10,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:10,873 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:38 [2021-06-07 02:46:10,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:10,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-07 02:46:10,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:10,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:10,955 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:10,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-07 02:46:10,958 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:10,962 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:10,989 INFO L628 ElimStorePlain]: treesize reduction 64, result has 29.7 percent of original size [2021-06-07 02:46:10,989 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:10,990 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:10,990 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:123, output treesize:27 [2021-06-07 02:46:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:11,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978472396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:11,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:11,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2021-06-07 02:46:11,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733157057] [2021-06-07 02:46:11,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:46:11,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:11,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:46:11,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:46:11,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:11,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:11,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:11,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:11,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:11,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:11,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:11,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-06-07 02:46:11,554 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:11,554 INFO L82 PathProgramCache]: Analyzing trace with hash -755398796, now seen corresponding path program 3 times [2021-06-07 02:46:11,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:11,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84827896] [2021-06-07 02:46:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:11,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:11,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84827896] [2021-06-07 02:46:11,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84827896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:11,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325235510] [2021-06-07 02:46:11,684 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:11,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:46:11,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:11,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 02:46:11,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:11,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:11,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:11,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:11,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:11,797 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:11,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:11,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:11,811 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-07 02:46:11,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:11,879 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 16 treesize of output 12 [2021-06-07 02:46:11,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:11,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:11,883 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:11,897 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-07 02:46:11,898 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:11,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:11,898 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-07 02:46:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:11,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325235510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:11,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:11,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-07 02:46:11,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970158276] [2021-06-07 02:46:11,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 02:46:11,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:11,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 02:46:11,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-07 02:46:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:11,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:11,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:11,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:12,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:12,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:12,322 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:12,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:12,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1941866012, now seen corresponding path program 4 times [2021-06-07 02:46:12,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:12,323 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631252189] [2021-06-07 02:46:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:13,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:13,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631252189] [2021-06-07 02:46:13,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631252189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:13,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036549748] [2021-06-07 02:46:13,030 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:13,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:46:13,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:13,064 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-07 02:46:13,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:13,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-07 02:46:13,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2021-06-07 02:46:13,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-06-07 02:46:13,298 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-07 02:46:13,301 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:13,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-07 02:46:13,326 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:179, output treesize:117 [2021-06-07 02:46:13,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,601 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 32 treesize of output 24 [2021-06-07 02:46:13,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,609 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 42 treesize of output 32 [2021-06-07 02:46:13,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,616 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 22 treesize of output 16 [2021-06-07 02:46:13,617 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,622 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 32 treesize of output 24 [2021-06-07 02:46:13,623 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,627 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 34 treesize of output 26 [2021-06-07 02:46:13,629 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,633 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 28 [2021-06-07 02:46:13,635 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,639 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 46 treesize of output 36 [2021-06-07 02:46:13,640 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,644 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 24 treesize of output 18 [2021-06-07 02:46:13,645 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,741 INFO L628 ElimStorePlain]: treesize reduction 111, result has 58.1 percent of original size [2021-06-07 02:46:13,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,745 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 25 treesize of output 17 [2021-06-07 02:46:13,746 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 13 [2021-06-07 02:46:13,750 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:13,754 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 22 treesize of output 14 [2021-06-07 02:46:13,754 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,757 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 22 treesize of output 14 [2021-06-07 02:46:13,758 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:13,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:13,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 02:46:13,798 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:385, output treesize:100 [2021-06-07 02:46:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:13,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036549748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:13,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:13,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-07 02:46:13,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720588314] [2021-06-07 02:46:13,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-07 02:46:13,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:13,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-07 02:46:13,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2021-06-07 02:46:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:13,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:13,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:13,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:14,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:14,485 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:14,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash 143124046, now seen corresponding path program 5 times [2021-06-07 02:46:14,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:14,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792770656] [2021-06-07 02:46:14,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-07 02:46:14,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:14,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792770656] [2021-06-07 02:46:14,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792770656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:14,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159409193] [2021-06-07 02:46:14,550 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:14,583 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-07 02:46:14,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:14,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 02:46:14,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:14,678 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-07 02:46:14,678 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:14,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:14,687 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-07 02:46:14,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 23 [2021-06-07 02:46:14,689 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:14,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:14,704 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:14,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:14,706 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2021-06-07 02:46:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:14,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159409193] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:14,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:14,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 16 [2021-06-07 02:46:14,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330688923] [2021-06-07 02:46:14,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-07 02:46:14,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:14,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-07 02:46:14,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-06-07 02:46:14,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:14,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:14,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:14,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:15,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-07 02:46:15,405 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:15,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1901916510, now seen corresponding path program 6 times [2021-06-07 02:46:15,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:15,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865482707] [2021-06-07 02:46:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:15,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:15,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865482707] [2021-06-07 02:46:15,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865482707] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:15,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147733816] [2021-06-07 02:46:15,530 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:15,577 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 02:46:15,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:15,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-07 02:46:15,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:15,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:15,632 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 16 treesize of output 12 [2021-06-07 02:46:15,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:15,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:15,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:15,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:15,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:15,647 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-07 02:46:15,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:15,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:15,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:15,738 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 16 treesize of output 12 [2021-06-07 02:46:15,739 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:15,752 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-07 02:46:15,752 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:15,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:15,753 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-07 02:46:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:15,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147733816] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:15,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:15,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-07 02:46:15,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088913306] [2021-06-07 02:46:15,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 02:46:15,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:15,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 02:46:15,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-07 02:46:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:15,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:15,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:15,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:16,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:16,274 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:16,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1169470150, now seen corresponding path program 7 times [2021-06-07 02:46:16,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:16,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484404686] [2021-06-07 02:46:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:17,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:17,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484404686] [2021-06-07 02:46:17,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484404686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:17,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383328322] [2021-06-07 02:46:17,199 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:17,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 63 conjunts are in the unsatisfiable core [2021-06-07 02:46:17,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-07 02:46:17,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:17,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-07 02:46:17,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:17,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:17,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-07 02:46:18,009 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:18,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:18,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-07 02:46:18,021 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:18,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:18,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:46:18,082 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:275, output treesize:177 [2021-06-07 02:46:18,756 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-06-07 02:46:18,872 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_32, array_2, v_prenex_30, v_prenex_28], 6=[v_prenex_31, array_4, v_prenex_33, v_prenex_29]} [2021-06-07 02:46:18,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-07 02:46:18,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:18,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-06-07 02:46:18,889 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:18,980 INFO L628 ElimStorePlain]: treesize reduction 173, result has 45.3 percent of original size [2021-06-07 02:46:18,981 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:18,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-06-07 02:46:18,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:19,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:19,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-07 02:46:19,018 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:19,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:19,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:19,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:46:19,042 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:19,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:19,062 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:19,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:19,065 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 21 treesize of output 13 [2021-06-07 02:46:19,066 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:19,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:19,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:19,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 7 [2021-06-07 02:46:19,090 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:19,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:19,110 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-07 02:46:19,110 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:369, output treesize:38 [2021-06-07 02:46:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:19,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383328322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:19,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:19,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-06-07 02:46:19,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480555631] [2021-06-07 02:46:19,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-07 02:46:19,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:19,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-07 02:46:19,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2021-06-07 02:46:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:19,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:19,170 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) [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:19,774 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-06-07 02:46:20,002 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:20,316 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:20,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:20,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1047687024, now seen corresponding path program 8 times [2021-06-07 02:46:20,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:20,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931208948] [2021-06-07 02:46:20,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 02:46:20,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:20,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931208948] [2021-06-07 02:46:20,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931208948] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:20,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898359884] [2021-06-07 02:46:20,408 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:20,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:46:20,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:20,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 02:46:20,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:20,626 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-06-07 02:46:20,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 32 [2021-06-07 02:46:20,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:20,633 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-07 02:46:20,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 16 [2021-06-07 02:46:20,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:20,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:20,655 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:20,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:20,659 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:42 [2021-06-07 02:46:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 02:46:20,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898359884] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:20,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:20,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2021-06-07 02:46:20,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612666655] [2021-06-07 02:46:20,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-07 02:46:20,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:20,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-07 02:46:20,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-06-07 02:46:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:20,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:20,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:20,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:20,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:21,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-06-07 02:46:21,418 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:21,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:21,418 INFO L82 PathProgramCache]: Analyzing trace with hash 588250036, now seen corresponding path program 9 times [2021-06-07 02:46:21,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:21,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359550829] [2021-06-07 02:46:21,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:21,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:21,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359550829] [2021-06-07 02:46:21,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359550829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:21,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117284720] [2021-06-07 02:46:21,619 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:21,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-07 02:46:21,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:21,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 02:46:21,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:21,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:21,853 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 16 treesize of output 12 [2021-06-07 02:46:21,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:21,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:21,856 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 15 treesize of output 11 [2021-06-07 02:46:21,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:21,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:21,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-07 02:46:21,878 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-06-07 02:46:22,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:22,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:22,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:22,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:22,126 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:22,147 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-07 02:46:22,147 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:22,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:22,148 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-07 02:46:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:22,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117284720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:22,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:22,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2021-06-07 02:46:22,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642542293] [2021-06-07 02:46:22,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 02:46:22,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:22,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 02:46:22,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2021-06-07 02:46:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:22,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:22,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:22,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:23,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-07 02:46:23,486 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:23,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:23,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1056542116, now seen corresponding path program 10 times [2021-06-07 02:46:23,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:23,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072392990] [2021-06-07 02:46:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:24,318 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-06-07 02:46:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:24,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:24,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072392990] [2021-06-07 02:46:24,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072392990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:24,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456198544] [2021-06-07 02:46:24,797 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:24,854 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:46:24,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:24,855 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 84 conjunts are in the unsatisfiable core [2021-06-07 02:46:24,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 69 [2021-06-07 02:46:25,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:25,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-07 02:46:25,832 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-07 02:46:25,861 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:25,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:25,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:25,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-07 02:46:25,877 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:25,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:25,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:46:25,971 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:457, output treesize:295 [2021-06-07 02:46:26,524 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-06-07 02:46:27,322 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 148 [2021-06-07 02:46:27,724 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 148 [2021-06-07 02:46:28,153 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 148 [2021-06-07 02:46:28,311 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_71, v_prenex_65, array_2, v_prenex_63, v_prenex_69, v_prenex_67], 10=[v_prenex_72, v_prenex_70, v_prenex_64, array_4, v_prenex_68, v_prenex_66]} [2021-06-07 02:46:28,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2021-06-07 02:46:28,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,332 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 56 treesize of output 44 [2021-06-07 02:46:28,333 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,584 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 159 [2021-06-07 02:46:28,585 INFO L628 ElimStorePlain]: treesize reduction 339, result has 50.0 percent of original size [2021-06-07 02:46:28,591 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 35 treesize of output 27 [2021-06-07 02:46:28,598 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:28,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-07 02:46:28,687 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:28,758 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 54 treesize of output 42 [2021-06-07 02:46:28,762 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:28,825 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 54 treesize of output 42 [2021-06-07 02:46:28,829 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:28,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-07 02:46:28,894 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:28,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:28,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:28,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:28,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 7 [2021-06-07 02:46:28,950 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:28,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:28,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 8 [2021-06-07 02:46:28,957 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:29,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:29,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:29,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:46:29,011 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:29,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:29,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:29,060 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 21 treesize of output 13 [2021-06-07 02:46:29,061 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:29,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:29,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:29,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:46:29,112 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:29,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:29,152 INFO L518 ElimStorePlain]: Eliminatee v_prenex_68 vanished before elimination [2021-06-07 02:46:29,152 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-07 02:46:29,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-07 02:46:29,165 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 18 variables, input treesize:759, output treesize:75 [2021-06-07 02:46:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:29,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456198544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:29,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:29,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-07 02:46:29,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108800696] [2021-06-07 02:46:29,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-07 02:46:29,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:29,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-07 02:46:29,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1044, Unknown=0, NotChecked=0, Total=1122 [2021-06-07 02:46:29,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:29,255 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:29,255 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) [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:30,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-06-07 02:46:30,160 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:30,161 INFO L82 PathProgramCache]: Analyzing trace with hash -149716338, now seen corresponding path program 11 times [2021-06-07 02:46:30,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:30,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070052448] [2021-06-07 02:46:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 02:46:30,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:30,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070052448] [2021-06-07 02:46:30,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070052448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:30,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642107190] [2021-06-07 02:46:30,258 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:30,296 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 02:46:30,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:30,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-07 02:46:30,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:30,506 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-06-07 02:46:30,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 21 [2021-06-07 02:46:30,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:30,529 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-06-07 02:46:30,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 41 [2021-06-07 02:46:30,535 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:30,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:30,561 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:30,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:30,568 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:119, output treesize:42 [2021-06-07 02:46:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 02:46:30,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642107190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:30,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:30,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 19 [2021-06-07 02:46:30,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066998317] [2021-06-07 02:46:30,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 02:46:30,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:30,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 02:46:30,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-06-07 02:46:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:30,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:30,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:31,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:31,432 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1800247266, now seen corresponding path program 12 times [2021-06-07 02:46:31,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:31,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887244476] [2021-06-07 02:46:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:31,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:31,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887244476] [2021-06-07 02:46:31,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887244476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:31,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375771431] [2021-06-07 02:46:31,702 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:31,746 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 02:46:31,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:31,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-07 02:46:31,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:31,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:31,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:31,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:31,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:31,958 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:31,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:31,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-07 02:46:31,988 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-06-07 02:46:32,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:32,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:32,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:32,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:32,262 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:32,282 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-07 02:46:32,282 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:32,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:32,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-07 02:46:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:32,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375771431] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:32,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:32,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-06-07 02:46:32,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813488131] [2021-06-07 02:46:32,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 02:46:32,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:32,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 02:46:32,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=962, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 02:46:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:32,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:32,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:32,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:33,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:33,875 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:33,876 INFO L82 PathProgramCache]: Analyzing trace with hash 27569786, now seen corresponding path program 13 times [2021-06-07 02:46:33,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:33,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109934859] [2021-06-07 02:46:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:34,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:34,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109934859] [2021-06-07 02:46:34,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109934859] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:34,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598644767] [2021-06-07 02:46:34,775 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:34,822 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 99 conjunts are in the unsatisfiable core [2021-06-07 02:46:34,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:35,859 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-07 02:46:36,114 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-07 02:46:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-07 02:46:36,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-07 02:46:36,222 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:36,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-07 02:46:36,341 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:36,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:36,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:36,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-06-07 02:46:36,358 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:36,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:36,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:46:36,422 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:424, output treesize:244 [2021-06-07 02:46:37,093 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-07 02:46:37,400 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-07 02:46:37,705 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-07 02:46:38,002 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-07 02:46:38,107 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_82, v_prenex_86, array_2, v_prenex_84], 15=[v_prenex_83, v_prenex_87, v_prenex_85, array_4]} [2021-06-07 02:46:38,121 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 61 treesize of output 47 [2021-06-07 02:46:38,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-07 02:46:38,130 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,300 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 120 [2021-06-07 02:46:38,300 INFO L628 ElimStorePlain]: treesize reduction 161, result has 64.3 percent of original size [2021-06-07 02:46:38,305 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 44 treesize of output 34 [2021-06-07 02:46:38,306 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-06-07 02:46:38,370 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-06-07 02:46:38,432 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,436 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 57 treesize of output 45 [2021-06-07 02:46:38,438 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:38,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 13 [2021-06-07 02:46:38,478 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:38,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,508 INFO L518 ElimStorePlain]: Eliminatee v_prenex_87 vanished before elimination [2021-06-07 02:46:38,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:38,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:38,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 8 [2021-06-07 02:46:38,514 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:38,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:38,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 8 [2021-06-07 02:46:38,518 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:38,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:38,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:46:38,551 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:38,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:38,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 02:46:38,581 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:536, output treesize:54 [2021-06-07 02:46:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:38,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598644767] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:38,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:38,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-06-07 02:46:38,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758301797] [2021-06-07 02:46:38,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-07 02:46:38,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:38,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-07 02:46:38,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1402, Unknown=0, NotChecked=0, Total=1482 [2021-06-07 02:46:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:38,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:38,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:38,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:39,758 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:39,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:40,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:40,161 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:40,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:40,161 INFO L82 PathProgramCache]: Analyzing trace with hash 373332304, now seen corresponding path program 14 times [2021-06-07 02:46:40,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:40,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722403689] [2021-06-07 02:46:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 02:46:40,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:40,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722403689] [2021-06-07 02:46:40,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722403689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:40,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522313866] [2021-06-07 02:46:40,301 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:40,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:46:40,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:40,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 02:46:40,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:40,625 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-06-07 02:46:40,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 36 treesize of output 26 [2021-06-07 02:46:40,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:40,661 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-06-07 02:46:40,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 50 [2021-06-07 02:46:40,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:40,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:40,701 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:40,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:40,716 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:143, output treesize:53 [2021-06-07 02:46:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 02:46:40,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522313866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:40,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:40,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-07 02:46:40,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121852774] [2021-06-07 02:46:40,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 02:46:40,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:40,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 02:46:40,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2021-06-07 02:46:40,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:40,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:40,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:40,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:41,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable245 [2021-06-07 02:46:41,891 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:41,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:41,891 INFO L82 PathProgramCache]: Analyzing trace with hash 838983668, now seen corresponding path program 15 times [2021-06-07 02:46:41,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:41,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086238583] [2021-06-07 02:46:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:42,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:42,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086238583] [2021-06-07 02:46:42,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086238583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:42,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976049415] [2021-06-07 02:46:42,144 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:42,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 02:46:42,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:42,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-07 02:46:42,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:42,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:42,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:42,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:42,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:42,291 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:42,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:42,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:42,305 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-07 02:46:42,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:42,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:42,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:42,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:42,476 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:42,490 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-07 02:46:42,490 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:42,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:42,490 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-07 02:46:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:42,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976049415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:42,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:42,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-07 02:46:42,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198963957] [2021-06-07 02:46:42,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-07 02:46:42,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:42,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-07 02:46:42,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-07 02:46:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:42,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:42,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 30 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:42,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:43,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:43,363 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:43,363 INFO L82 PathProgramCache]: Analyzing trace with hash 239350116, now seen corresponding path program 16 times [2021-06-07 02:46:43,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:43,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350409401] [2021-06-07 02:46:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:44,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:44,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350409401] [2021-06-07 02:46:44,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350409401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:44,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677267835] [2021-06-07 02:46:44,641 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:44,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:46:44,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:44,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 120 conjunts are in the unsatisfiable core [2021-06-07 02:46:44,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:45,693 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-07 02:46:45,941 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-06-07 02:46:46,215 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-07 02:46:46,535 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-07 02:46:46,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 81 [2021-06-07 02:46:46,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-06-07 02:46:46,708 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-06-07 02:46:46,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:46:46,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:46,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 97 [2021-06-07 02:46:46,794 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:46,910 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-07 02:46:46,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:46,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:46:46,916 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:633, output treesize:375 [2021-06-07 02:46:47,675 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2021-06-07 02:46:48,815 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 188 [2021-06-07 02:46:49,383 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 188 [2021-06-07 02:46:49,962 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 188 [2021-06-07 02:46:50,566 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 188 [2021-06-07 02:46:51,145 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 188 [2021-06-07 02:46:51,283 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_119, array_2, v_prenex_111, v_prenex_113, v_prenex_115, v_prenex_117], 21=[v_prenex_118, v_prenex_120, array_4, v_prenex_112, v_prenex_114, v_prenex_116]} [2021-06-07 02:46:51,312 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 60 treesize of output 46 [2021-06-07 02:46:51,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,324 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 54 [2021-06-07 02:46:51,326 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,675 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-06-07 02:46:51,675 INFO L628 ElimStorePlain]: treesize reduction 365, result has 57.1 percent of original size [2021-06-07 02:46:51,681 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 53 treesize of output 41 [2021-06-07 02:46:51,685 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,801 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-07 02:46:51,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:51,818 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 76 treesize of output 60 [2021-06-07 02:46:51,821 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,826 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 74 treesize of output 58 [2021-06-07 02:46:51,828 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:51,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-07 02:46:51,926 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:51,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-06-07 02:46:52,007 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:52,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-06-07 02:46:52,089 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:52,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-07 02:46:52,143 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:52,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,190 INFO L518 ElimStorePlain]: Eliminatee v_prenex_120 vanished before elimination [2021-06-07 02:46:52,190 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:52,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,195 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 12 treesize of output 8 [2021-06-07 02:46:52,196 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:52,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,200 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 22 treesize of output 14 [2021-06-07 02:46:52,201 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:52,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,253 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 11 treesize of output 7 [2021-06-07 02:46:52,255 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:52,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:52,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 7 [2021-06-07 02:46:52,307 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:46:52,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:52,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-07 02:46:52,353 INFO L247 ElimStorePlain]: Needed 14 recursive calls to eliminate 18 variables, input treesize:955, output treesize:75 [2021-06-07 02:46:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:52,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677267835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:52,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:52,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-06-07 02:46:52,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512821416] [2021-06-07 02:46:52,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-07 02:46:52,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:52,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-07 02:46:52,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2057, Unknown=0, NotChecked=0, Total=2162 [2021-06-07 02:46:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:52,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:52,494 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) [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:52,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:52,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:53,740 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:54,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable265 [2021-06-07 02:46:54,178 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:54,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:54,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1518948046, now seen corresponding path program 17 times [2021-06-07 02:46:54,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:54,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517394425] [2021-06-07 02:46:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-07 02:46:54,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:54,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517394425] [2021-06-07 02:46:54,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517394425] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:54,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127999484] [2021-06-07 02:46:54,329 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:54,377 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 02:46:54,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:54,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-07 02:46:54,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:54,739 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-07 02:46:54,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 31 [2021-06-07 02:46:54,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:54,786 INFO L354 Elim1Store]: treesize reduction 100, result has 17.4 percent of original size [2021-06-07 02:46:54,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 59 [2021-06-07 02:46:54,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:54,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:54,826 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:46:54,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:46:54,837 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:167, output treesize:43 [2021-06-07 02:46:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-07 02:46:54,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127999484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:54,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:54,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 25 [2021-06-07 02:46:54,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742002721] [2021-06-07 02:46:54,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 02:46:54,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 02:46:54,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2021-06-07 02:46:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:54,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:54,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 25 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:46:56,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable353 [2021-06-07 02:46:56,210 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:56,211 INFO L82 PathProgramCache]: Analyzing trace with hash 2066542302, now seen corresponding path program 18 times [2021-06-07 02:46:56,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:56,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589671282] [2021-06-07 02:46:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:46:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:56,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:46:56,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589671282] [2021-06-07 02:46:56,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589671282] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:56,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30829947] [2021-06-07 02:46:56,628 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:46:56,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 02:46:56,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:46:56,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-07 02:46:56,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:46:56,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:56,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:56,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:56,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:56,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:56,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:56,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:57,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:46:57,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-07 02:46:57,006 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-06-07 02:46:57,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:46:57,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:46:57,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:57,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:46:57,391 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:46:57,412 INFO L628 ElimStorePlain]: treesize reduction 33, result has 35.3 percent of original size [2021-06-07 02:46:57,412 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:46:57,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:46:57,414 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:12 [2021-06-07 02:46:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:46:57,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30829947] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:46:57,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:46:57,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 43 [2021-06-07 02:46:57,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899763431] [2021-06-07 02:46:57,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-07 02:46:57,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:46:57,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-07 02:46:57,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2021-06-07 02:46:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:57,450 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:46:57,450 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:57,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:46:57,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:46:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:46:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:46:59,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable370 [2021-06-07 02:46:59,143 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:46:59,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:46:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash -361037894, now seen corresponding path program 19 times [2021-06-07 02:46:59,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:46:59,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799786739] [2021-06-07 02:46:59,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:46:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:00,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:00,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799786739] [2021-06-07 02:47:00,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799786739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:00,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986119513] [2021-06-07 02:47:00,879 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:00,940 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 138 conjunts are in the unsatisfiable core [2021-06-07 02:47:00,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:02,178 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-07 02:47:02,506 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-07 02:47:02,855 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-06-07 02:47:03,260 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-07 02:47:03,769 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-07 02:47:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-07 02:47:03,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:03,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:03,945 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 143 treesize of output 99 [2021-06-07 02:47:03,946 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:04,071 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-07 02:47:04,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-07 02:47:04,132 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:04,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:04,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-07 02:47:04,163 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:04,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:04,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:47:04,254 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:588, output treesize:338 [2021-06-07 02:47:05,269 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:05,739 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:06,152 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:06,580 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:07,039 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:07,478 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 160 [2021-06-07 02:47:07,600 INFO L446 ElimStorePlain]: Different costs {7=[array_2], 406=[array_4]} [2021-06-07 02:47:07,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,624 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 53 [2021-06-07 02:47:07,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,647 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 89 treesize of output 69 [2021-06-07 02:47:07,650 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,681 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 71 treesize of output 55 [2021-06-07 02:47:07,683 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,706 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 65 [2021-06-07 02:47:07,709 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,729 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 63 [2021-06-07 02:47:07,732 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,753 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 73 [2021-06-07 02:47:07,756 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,776 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 79 treesize of output 61 [2021-06-07 02:47:07,779 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,784 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 79 treesize of output 61 [2021-06-07 02:47:07,787 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,934 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-06-07 02:47:07,935 INFO L628 ElimStorePlain]: treesize reduction 142, result has 56.8 percent of original size [2021-06-07 02:47:07,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-06-07 02:47:07,941 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:07,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-07 02:47:07,946 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:47:07,951 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:07,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:47:07,955 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:08,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:08,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 02:47:08,013 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:827, output treesize:114 [2021-06-07 02:47:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:08,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986119513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:08,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:08,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-06-07 02:47:08,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967953769] [2021-06-07 02:47:08,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-07 02:47:08,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:08,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-07 02:47:08,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=2534, Unknown=0, NotChecked=0, Total=2652 [2021-06-07 02:47:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:08,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:08,312 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) [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:08,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:08,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:10,136 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 118 [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:10,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable375,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:10,635 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:10,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:10,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1988824560, now seen corresponding path program 20 times [2021-06-07 02:47:10,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:10,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364407426] [2021-06-07 02:47:10,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-07 02:47:10,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:10,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364407426] [2021-06-07 02:47:10,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364407426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:10,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836249325] [2021-06-07 02:47:10,802 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:10,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:47:10,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:47:10,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-07 02:47:10,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:11,426 INFO L354 Elim1Store]: treesize reduction 144, result has 14.8 percent of original size [2021-06-07 02:47:11,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 60 treesize of output 68 [2021-06-07 02:47:11,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:11,450 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-07 02:47:11,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 50 treesize of output 36 [2021-06-07 02:47:11,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:11,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:11,496 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:47:11,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:47:11,509 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:191, output treesize:43 [2021-06-07 02:47:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-07 02:47:11,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836249325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:11,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:11,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 28 [2021-06-07 02:47:11,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645814803] [2021-06-07 02:47:11,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 02:47:11,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:11,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 02:47:11,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2021-06-07 02:47:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:11,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:11,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:11,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:11,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:12,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:13,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable439 [2021-06-07 02:47:13,098 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:13,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:13,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1325714380, now seen corresponding path program 21 times [2021-06-07 02:47:13,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:13,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334187098] [2021-06-07 02:47:13,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:13,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:13,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334187098] [2021-06-07 02:47:13,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334187098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:13,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605918692] [2021-06-07 02:47:13,498 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:13,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-07 02:47:13,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:47:13,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-07 02:47:13,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:13,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:13,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:47:13,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:13,682 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 16 treesize of output 12 [2021-06-07 02:47:13,683 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:13,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:13,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:47:13,695 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-07 02:47:13,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:13,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:47:13,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:13,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:47:13,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:13,988 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-07 02:47:13,988 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:47:13,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:47:13,989 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-07 02:47:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:14,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605918692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:14,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:14,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-07 02:47:14,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9207814] [2021-06-07 02:47:14,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-07 02:47:14,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:14,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-07 02:47:14,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-07 02:47:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:14,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:14,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:14,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:14,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:15,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable459,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:15,245 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:15,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1853187364, now seen corresponding path program 22 times [2021-06-07 02:47:15,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:15,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125953845] [2021-06-07 02:47:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:16,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:16,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125953845] [2021-06-07 02:47:16,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125953845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:16,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547156182] [2021-06-07 02:47:16,864 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:16,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:47:16,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:47:16,915 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 156 conjunts are in the unsatisfiable core [2021-06-07 02:47:16,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:17,996 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-07 02:47:18,283 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-07 02:47:18,599 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-06-07 02:47:18,924 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 02:47:19,295 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-07 02:47:19,718 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-06-07 02:47:20,175 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-07 02:47:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,335 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 179 treesize of output 117 [2021-06-07 02:47:20,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,421 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 189 treesize of output 125 [2021-06-07 02:47:20,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:20,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,508 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 179 treesize of output 117 [2021-06-07 02:47:20,509 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:20,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:20,559 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 169 treesize of output 109 [2021-06-07 02:47:20,561 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:20,709 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-07 02:47:20,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:20,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:47:20,715 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:809, output treesize:467 [2021-06-07 02:47:21,641 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-07 02:47:23,279 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 233 [2021-06-07 02:47:24,058 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 233 [2021-06-07 02:47:24,878 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 233 [2021-06-07 02:47:25,681 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 233 [2021-06-07 02:47:26,609 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 233 [2021-06-07 02:47:27,394 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 233 [2021-06-07 02:47:28,220 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 233 [2021-06-07 02:47:28,381 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_180, v_prenex_182, v_prenex_184, array_2, v_prenex_186, v_prenex_178], 36=[v_prenex_181, v_prenex_183, v_prenex_185, array_4, v_prenex_187, v_prenex_179]} [2021-06-07 02:47:28,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 74 [2021-06-07 02:47:28,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:28,448 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 92 treesize of output 72 [2021-06-07 02:47:28,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:28,845 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 249 [2021-06-07 02:47:28,846 INFO L628 ElimStorePlain]: treesize reduction 507, result has 50.8 percent of original size [2021-06-07 02:47:28,854 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 90 treesize of output 70 [2021-06-07 02:47:28,856 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:28,967 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-06-07 02:47:28,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:28,973 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 90 treesize of output 70 [2021-06-07 02:47:28,976 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,082 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 71 treesize of output 55 [2021-06-07 02:47:29,085 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2021-06-07 02:47:29,172 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,239 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 90 treesize of output 70 [2021-06-07 02:47:29,242 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,296 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 12 treesize of output 8 [2021-06-07 02:47:29,297 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:29,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,301 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 11 treesize of output 7 [2021-06-07 02:47:29,303 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:29,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,356 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 22 treesize of output 14 [2021-06-07 02:47:29,357 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 13 [2021-06-07 02:47:29,409 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:29,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,456 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:47:29,456 INFO L518 ElimStorePlain]: Eliminatee v_prenex_187 vanished before elimination [2021-06-07 02:47:29,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:29,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 7 [2021-06-07 02:47:29,463 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:29,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:29,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-07 02:47:29,511 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 18 variables, input treesize:1183, output treesize:79 [2021-06-07 02:47:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:29,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547156182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:29,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:29,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-06-07 02:47:29,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154434446] [2021-06-07 02:47:29,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-07 02:47:29,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:29,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-07 02:47:29,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3168, Unknown=0, NotChecked=0, Total=3306 [2021-06-07 02:47:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:29,655 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:29,655 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) [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:29,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:31,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:31,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable462 [2021-06-07 02:47:31,922 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:31,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:31,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1358607602, now seen corresponding path program 23 times [2021-06-07 02:47:31,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:31,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010883954] [2021-06-07 02:47:31,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-07 02:47:32,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:32,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010883954] [2021-06-07 02:47:32,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010883954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:32,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900338153] [2021-06-07 02:47:32,123 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:32,179 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 02:47:32,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:47:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 02:47:32,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:33,582 INFO L354 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2021-06-07 02:47:33,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 57 treesize of output 41 [2021-06-07 02:47:33,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:33,668 INFO L354 Elim1Store]: treesize reduction 196, result has 12.9 percent of original size [2021-06-07 02:47:33,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 77 [2021-06-07 02:47:33,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:33,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:33,725 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:47:33,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:47:33,738 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:215, output treesize:53 [2021-06-07 02:47:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-07 02:47:33,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900338153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:33,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:33,792 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 31 [2021-06-07 02:47:33,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170818096] [2021-06-07 02:47:33,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 02:47:33,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:33,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 02:47:33,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2021-06-07 02:47:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:33,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:33,793 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) [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:33,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:47:37,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable532 [2021-06-07 02:47:37,677 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:37,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:37,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1629452898, now seen corresponding path program 24 times [2021-06-07 02:47:37,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:37,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981890317] [2021-06-07 02:47:37,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:38,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:38,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981890317] [2021-06-07 02:47:38,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981890317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:38,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706687313] [2021-06-07 02:47:38,232 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:38,300 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 02:47:38,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:47:38,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-07 02:47:38,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:38,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:38,459 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 15 treesize of output 11 [2021-06-07 02:47:38,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:38,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:47:38,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:38,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:38,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:47:38,474 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-07 02:47:38,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:38,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-07 02:47:38,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:38,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-07 02:47:38,784 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:38,798 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-07 02:47:38,799 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-07 02:47:38,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:47:38,799 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-07 02:47:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:38,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706687313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:38,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:38,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-06-07 02:47:38,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006157462] [2021-06-07 02:47:38,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-07 02:47:38,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:38,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-07 02:47:38,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-06-07 02:47:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:38,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:38,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:38,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:47:38,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:47:40,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 02:47:40,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable555 [2021-06-07 02:47:40,525 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:47:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:47:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1027227898, now seen corresponding path program 25 times [2021-06-07 02:47:40,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:47:40,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46168050] [2021-06-07 02:47:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:47:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:42,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:47:42,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46168050] [2021-06-07 02:47:42,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46168050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:42,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213070686] [2021-06-07 02:47:42,906 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:47:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:47:42,982 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 174 conjunts are in the unsatisfiable core [2021-06-07 02:47:42,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:47:44,309 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-06-07 02:47:44,647 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-06-07 02:47:44,991 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-07 02:47:45,399 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-07 02:47:45,837 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-07 02:47:46,293 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-07 02:47:46,804 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-07 02:47:47,376 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-07 02:47:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,562 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 201 treesize of output 131 [2021-06-07 02:47:47,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,668 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 191 treesize of output 123 [2021-06-07 02:47:47,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,769 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 211 treesize of output 139 [2021-06-07 02:47:47,771 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 02:47:47,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:47,822 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 201 treesize of output 131 [2021-06-07 02:47:47,824 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:47,989 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-07 02:47:47,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:47,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-07 02:47:47,996 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:897, output treesize:507 [2021-06-07 02:47:49,165 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2021-06-07 02:47:51,020 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 253 [2021-06-07 02:47:51,882 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 253 [2021-06-07 02:47:52,826 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 252 [2021-06-07 02:47:53,716 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 252 [2021-06-07 02:47:54,736 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 252 [2021-06-07 02:47:55,652 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 252 [2021-06-07 02:47:56,579 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 252 [2021-06-07 02:47:57,510 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 252 [2021-06-07 02:47:57,685 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_229, array_2, v_prenex_231, v_prenex_233, v_prenex_235, v_prenex_237], 45=[v_prenex_230, array_4, v_prenex_232, v_prenex_234, v_prenex_236, v_prenex_238]} [2021-06-07 02:47:57,736 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 [2021-06-07 02:47:57,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:57,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-07 02:47:57,756 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,246 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 269 [2021-06-07 02:47:58,247 INFO L628 ElimStorePlain]: treesize reduction 465, result has 58.4 percent of original size [2021-06-07 02:47:58,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-06-07 02:47:58,285 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,292 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 103 treesize of output 81 [2021-06-07 02:47:58,295 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,420 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-07 02:47:58,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-07 02:47:58,435 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,546 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-07 02:47:58,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-07 02:47:58,555 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,647 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 [2021-06-07 02:47:58,650 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-07 02:47:58,724 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:47:58,778 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,830 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 12 treesize of output 8 [2021-06-07 02:47:58,831 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:58,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-07 02:47:58,835 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 02:47:58,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,882 INFO L518 ElimStorePlain]: Eliminatee v_prenex_232 vanished before elimination [2021-06-07 02:47:58,882 INFO L518 ElimStorePlain]: Eliminatee v_prenex_234 vanished before elimination [2021-06-07 02:47:58,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-07 02:47:58,887 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:58,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 02:47:58,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:47:58,941 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 02:47:58,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:47:58,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-07 02:47:58,989 INFO L247 ElimStorePlain]: Needed 14 recursive calls to eliminate 18 variables, input treesize:1275, output treesize:75 [2021-06-07 02:47:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:47:59,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213070686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:47:59,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:47:59,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 64 [2021-06-07 02:47:59,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240358369] [2021-06-07 02:47:59,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-07 02:47:59,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:47:59,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-07 02:47:59,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=3879, Unknown=0, NotChecked=0, Total=4032 [2021-06-07 02:47:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:47:59,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:47:59,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.203125) internal successors, (77), 64 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) [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:59,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 02:47:59,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:48:01,129 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 117 [2021-06-07 02:48:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:48:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:48:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 02:48:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:48:01,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable558 [2021-06-07 02:48:01,615 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:48:01,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:48:01,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1724816080, now seen corresponding path program 26 times [2021-06-07 02:48:01,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:48:01,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525672248] [2021-06-07 02:48:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:48:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:48:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-07 02:48:01,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:48:01,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525672248] [2021-06-07 02:48:01,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525672248] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:48:01,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124248141] [2021-06-07 02:48:01,881 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:48:01,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:48:01,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:48:01,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-07 02:48:01,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:48:09,433 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-06-07 02:48:09,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 74 treesize of output 86 [2021-06-07 02:48:09,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:48:09,473 INFO L354 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2021-06-07 02:48:09,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 64 treesize of output 46 [2021-06-07 02:48:09,477 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 02:48:09,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:48:09,552 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-07 02:48:09,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 02:48:09,562 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:239, output treesize:43 [2021-06-07 02:48:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-07 02:48:09,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124248141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:48:09,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:48:09,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 34 [2021-06-07 02:48:09,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650762251] [2021-06-07 02:48:09,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-07 02:48:09,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:48:09,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-07 02:48:09,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=889, Unknown=2, NotChecked=0, Total=1122 [2021-06-07 02:48:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:48:09,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:48:09,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 02:48:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:48:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:48:26,893 WARN L205 SmtUtils]: Spent 14.69 s on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2021-06-07 02:48:48,386 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-07 02:48:48,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable655 [2021-06-07 02:48:48,587 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:183) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:209) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 50 more [2021-06-07 02:48:48,591 INFO L168 Benchmark]: Toolchain (without parser) took 163375.61 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 350.5 MB in the beginning and 292.8 MB in the end (delta: 57.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 351.8 MB in the beginning and 351.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.11 ms. Allocated memory is still 371.2 MB. Free memory was 350.5 MB in the beginning and 349.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 INFO L168 Benchmark]: Boogie Preprocessor took 11.14 ms. Allocated memory is still 371.2 MB. Free memory was 349.0 MB in the beginning and 347.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 INFO L168 Benchmark]: RCFGBuilder took 358.94 ms. Allocated memory is still 371.2 MB. Free memory was 347.8 MB in the beginning and 351.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 INFO L168 Benchmark]: TraceAbstraction took 162969.57 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 351.7 MB in the beginning and 292.8 MB in the end (delta: 58.9 MB). Peak memory consumption was 133.8 MB. Max. memory is 16.0 GB. [2021-06-07 02:48:48,591 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 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 351.8 MB in the beginning and 351.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.11 ms. Allocated memory is still 371.2 MB. Free memory was 350.5 MB in the beginning and 349.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.14 ms. Allocated memory is still 371.2 MB. Free memory was 349.0 MB in the beginning and 347.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 358.94 ms. Allocated memory is still 371.2 MB. Free memory was 347.8 MB in the beginning and 351.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 162969.57 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 351.7 MB in the beginning and 292.8 MB in the end (delta: 58.9 MB). Peak memory consumption was 133.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...