/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:21:50,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:21:50,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:21:50,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:21:50,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:21:50,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:21:50,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:21:50,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:21:50,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:21:50,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:21:50,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:21:50,425 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:21:50,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:21:50,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:21:50,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:21:50,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:21:50,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:21:50,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:21:50,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:21:50,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:21:50,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:21:50,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:21:50,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:21:50,693 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:21:50,694 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:21:50,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl [2021-07-14 11:21:50,695 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl' [2021-07-14 11:21:50,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:21:50,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:21:50,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:21:50,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:21:50,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:21:50,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:21:50,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:21:50,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:21:50,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:21:50,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... [2021-07-14 11:21:50,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:21:50,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:21:50,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:21:50,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:21:50,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:21:50,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:21:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:21:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:21:50,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:21:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:21:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:21:50,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:21:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:21:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:21:50,839 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:21:51,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:21:51,040 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:21:51,041 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:21:51 BoogieIcfgContainer [2021-07-14 11:21:51,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:21:51,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:21:51,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:21:51,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:21:51,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:21:50" (1/2) ... [2021-07-14 11:21:51,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7324033 and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:21:51, skipping insertion in model container [2021-07-14 11:21:51,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:21:51" (2/2) ... [2021-07-14 11:21:51,046 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2021-07-14 11:21:51,050 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:21:51,050 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:21:51,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:21:51,050 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:21:51,071 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:21:51,086 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:21:51,134 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:21:51,135 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:21:51,135 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:21:51,135 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:21:51,135 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:21:51,135 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:21:51,135 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:21:51,135 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:21:51,289 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:51,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:51,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-14 11:21:51,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:51,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023476697] [2021-07-14 11:21:51,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:21:51,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:51,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023476697] [2021-07-14 11:21:51,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023476697] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:21:51,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:21:51,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:21:51,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202112411] [2021-07-14 11:21:51,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:21:51,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:21:51,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:21:51,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:21:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:51,417 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:21:51,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-07-14 11:21:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:51,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:51,458 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:21:51,458 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:51,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:51,459 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-14 11:21:51,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:51,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165552392] [2021-07-14 11:21:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:21:51,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:51,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165552392] [2021-07-14 11:21:51,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165552392] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:51,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181083300] [2021-07-14 11:21:51,579 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:51,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:21:51,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:21:51,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:21:51,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:21:51,781 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 13 treesize of output 9 [2021-07-14 11:21:51,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:21:51,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:51,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:51,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 11:21:51,836 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 11 treesize of output 7 [2021-07-14 11:21:51,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:21:51,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:51,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:51,843 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 11:21:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:21:51,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181083300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:51,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:21:51,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 11:21:51,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035402917] [2021-07-14 11:21:51,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:21:51,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:21:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:21:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:21:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:51,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:21:51,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:21:51,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:51,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:52,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:52,222 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:52,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:52,223 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-14 11:21:52,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:52,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465945488] [2021-07-14 11:21:52,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:21:52,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:52,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465945488] [2021-07-14 11:21:52,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465945488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:52,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285004147] [2021-07-14 11:21:52,494 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-14 11:21:52,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:21:52,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:52,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 11:21:52,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:21:52,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:52,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 29 treesize of output 27 [2021-07-14 11:21:52,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:21:52,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:52,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:52,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-14 11:21:52,938 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:52,938 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 20 treesize of output 38 [2021-07-14 11:21:52,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:21:53,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:53,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:53,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-14 11:21:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:21:53,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285004147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:53,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:21:53,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-14 11:21:53,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520022655] [2021-07-14 11:21:53,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 11:21:53,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:21:53,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 11:21:53,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-14 11:21:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:53,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:21:53,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:21:53,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:53,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:53,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:21:54,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:54,265 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:54,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:54,265 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-14 11:21:54,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:54,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59085159] [2021-07-14 11:21:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:21:54,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:54,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59085159] [2021-07-14 11:21:54,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59085159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:54,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345556076] [2021-07-14 11:21:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:54,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:21:54,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:21:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:21:54,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345556076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:54,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:21:54,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 11:21:54,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615271598] [2021-07-14 11:21:54,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 11:21:54,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:21:54,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 11:21:54,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-14 11:21:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:54,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:21:54,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 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) [2021-07-14 11:21:54,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:54,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:54,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:21:54,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:21:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:21:54,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:21:54,700 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:54,700 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-14 11:21:54,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:54,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715095219] [2021-07-14 11:21:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:21:55,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:55,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715095219] [2021-07-14 11:21:55,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715095219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:55,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528966342] [2021-07-14 11:21:55,406 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 [2021-07-14 11:21:55,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:21:55,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:21:55,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 11:21:55,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:21:57,445 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:57,445 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 90 treesize of output 178 [2021-07-14 11:21:57,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:21:57,648 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-14 11:21:57,648 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-14 11:21:57,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:57,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-14 11:21:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:21:58,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:21:58,286 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:58,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 80 [2021-07-14 11:21:58,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:21:58,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:21:58,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:21:58,338 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-14 11:21:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:21:58,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528966342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:58,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:21:58,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-14 11:21:58,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750851553] [2021-07-14 11:21:58,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 11:21:58,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:21:58,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 11:21:58,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 11:21:58,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:58,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:21:58,428 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 66 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:21:58,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:58,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:58,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:21:58,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:21:58,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:21:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:21:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:21:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:21:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:21:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:21:59,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 11:21:59,933 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:21:59,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:21:59,933 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-14 11:21:59,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:21:59,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760450407] [2021-07-14 11:21:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:21:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:21:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:21:59,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:21:59,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760450407] [2021-07-14 11:21:59,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760450407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:21:59,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093431590] [2021-07-14 11:21:59,992 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 [2021-07-14 11:22:00,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:22:00,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:00,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:22:00,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:22:00,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093431590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:00,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:00,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 11:22:00,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798576393] [2021-07-14 11:22:00,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 11:22:00,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:00,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 11:22:00,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-14 11:22:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:00,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:00,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:00,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:00,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:00,421 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:00,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:00,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-14 11:22:00,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:00,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752249151] [2021-07-14 11:22:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 11:22:01,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:01,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752249151] [2021-07-14 11:22:01,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752249151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:01,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447746537] [2021-07-14 11:22:01,513 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 [2021-07-14 11:22:01,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:22:01,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:01,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 11:22:01,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:18,380 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:22:37,083 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:22:37,249 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 11:22:37,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:37,249 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 122 treesize of output 302 [2021-07-14 11:22:37,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:37,769 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 168 [2021-07-14 11:22:37,769 INFO L628 ElimStorePlain]: treesize reduction 347, result has 63.2 percent of original size [2021-07-14 11:22:37,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 11:22:37,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:166 [2021-07-14 11:22:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:22:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:22:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:39,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 28 [2021-07-14 11:22:39,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:39,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:39,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:22:39,899 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-14 11:22:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:22:39,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447746537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:39,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:39,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-14 11:22:39,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513547356] [2021-07-14 11:22:39,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 11:22:39,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 11:22:39,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-14 11:22:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:39,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:39,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.744186046511628) internal successors, (150), 85 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:22:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:39,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:41,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:41,627 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:41,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:41,627 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-14 11:22:41,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:41,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397694082] [2021-07-14 11:22:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:22:41,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:41,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397694082] [2021-07-14 11:22:41,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397694082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:41,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509052940] [2021-07-14 11:22:41,699 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 [2021-07-14 11:22:41,750 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 11:22:41,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:41,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:22:41,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:22:41,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509052940] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:41,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:41,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 11:22:41,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058383888] [2021-07-14 11:22:41,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 11:22:41,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:41,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 11:22:41,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-14 11:22:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:41,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:41,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:41,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:42,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-07-14 11:22:42,138 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:42,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:42,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-14 11:22:42,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:42,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596494977] [2021-07-14 11:22:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 11:22:43,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:43,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596494977] [2021-07-14 11:22:43,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596494977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:43,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980639893] [2021-07-14 11:22:43,618 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 [2021-07-14 11:22:43,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-14 11:22:43,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:22:43,676 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 132 conjunts are in the unsatisfiable core [2021-07-14 11:22:43,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:49,139 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 11:22:49,140 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:22:49,140 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 10 new quantified variables, introduced 35 case distinctions, treesize of input 154 treesize of output 378 [2021-07-14 11:22:49,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:49,836 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 180 [2021-07-14 11:22:49,836 INFO L628 ElimStorePlain]: treesize reduction 698, result has 48.3 percent of original size [2021-07-14 11:22:50,664 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:22:50,665 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:108 [2021-07-14 11:22:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,610 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-07-14 11:22:52,681 INFO L354 Elim1Store]: treesize reduction 76, result has 52.2 percent of original size [2021-07-14 11:22:52,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 123 treesize of output 119 [2021-07-14 11:22:52,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,880 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-07-14 11:22:52,922 INFO L354 Elim1Store]: treesize reduction 107, result has 14.4 percent of original size [2021-07-14 11:22:52,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 54 [2021-07-14 11:22:52,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,036 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-07-14 11:22:53,070 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-07-14 11:22:53,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 40 [2021-07-14 11:22:53,074 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:53,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,200 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-07-14 11:22:53,206 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-14 11:22:53,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:22:53,207 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:22:53,279 INFO L354 Elim1Store]: treesize reduction 100, result has 1.0 percent of original size [2021-07-14 11:22:53,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 69 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:22:53,280 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:22:53,324 INFO L628 ElimStorePlain]: treesize reduction 5, result has 92.9 percent of original size [2021-07-14 11:22:53,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 11:22:53,328 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-14 11:22:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:22:53,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980639893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:53,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:53,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 69] total 117 [2021-07-14 11:22:53,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476635957] [2021-07-14 11:22:53,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-07-14 11:22:53,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:53,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-07-14 11:22:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=13005, Unknown=0, NotChecked=0, Total=13806 [2021-07-14 11:22:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:53,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:53,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 1.5847457627118644) internal successors, (187), 117 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:53,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:22:58,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable235 [2021-07-14 11:22:58,165 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:58,165 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-14 11:22:58,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:58,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541967474] [2021-07-14 11:22:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:22:58,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:22:58,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541967474] [2021-07-14 11:22:58,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541967474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:58,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332060444] [2021-07-14 11:22:58,223 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 [2021-07-14 11:22:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:22:58,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 11:22:58,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:22:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:22:58,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332060444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:22:58,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:22:58,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 11:22:58,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292719189] [2021-07-14 11:22:58,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:22:58,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:22:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:22:58,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:22:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:58,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:22:58,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:58,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:22:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 11:22:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:22:58,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1018,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:22:58,693 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:22:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:22:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-14 11:22:58,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:22:58,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605364526] [2021-07-14 11:22:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:22:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:23:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 2 proven. 629 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-07-14 11:23:00,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:23:00,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605364526] [2021-07-14 11:23:00,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605364526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:23:00,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184757647] [2021-07-14 11:23:00,669 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 [2021-07-14 11:23:00,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:23:00,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:23:00,722 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 144 conjunts are in the unsatisfiable core [2021-07-14 11:23:00,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:23:08,439 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-07-14 11:23:10,708 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-07-14 11:23:32,906 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:24:01,157 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:24:14,186 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 11:24:14,187 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 11:24:14,387 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1019 [2021-07-14 11:24:14,388 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.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 11:24:14,391 INFO L168 Benchmark]: Toolchain (without parser) took 143661.29 ms. Allocated memory was 187.7 MB in the beginning and 396.4 MB in the end (delta: 208.7 MB). Free memory was 167.4 MB in the beginning and 270.7 MB in the end (delta: -103.3 MB). Peak memory consumption was 106.2 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:14,391 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 187.7 MB. Free memory is still 168.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:24:14,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 187.7 MB. Free memory was 167.3 MB in the beginning and 165.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:24:14,391 INFO L168 Benchmark]: Boogie Preprocessor took 14.29 ms. Allocated memory is still 187.7 MB. Free memory was 165.9 MB in the beginning and 164.9 MB in the end (delta: 956.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:14,391 INFO L168 Benchmark]: RCFGBuilder took 272.78 ms. Allocated memory is still 187.7 MB. Free memory was 164.8 MB in the beginning and 151.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:14,391 INFO L168 Benchmark]: TraceAbstraction took 143348.32 ms. Allocated memory was 187.7 MB in the beginning and 396.4 MB in the end (delta: 208.7 MB). Free memory was 151.3 MB in the beginning and 270.7 MB in the end (delta: -119.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 8.0 GB. [2021-07-14 11:24:14,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 187.7 MB. Free memory is still 168.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.22 ms. Allocated memory is still 187.7 MB. Free memory was 167.3 MB in the beginning and 165.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.29 ms. Allocated memory is still 187.7 MB. Free memory was 165.9 MB in the beginning and 164.9 MB in the end (delta: 956.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 272.78 ms. Allocated memory is still 187.7 MB. Free memory was 164.8 MB in the beginning and 151.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 143348.32 ms. Allocated memory was 187.7 MB in the beginning and 396.4 MB in the end (delta: 208.7 MB). Free memory was 151.3 MB in the beginning and 270.7 MB in the end (delta: -119.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...