/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:50:51,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:50:51,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:50:51,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:50:51,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 13:50:51,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 13:50:51,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 13:50:51,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 13:50:51,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 13:50:51,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 13:50:51,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 13:50:51,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 13:50:51,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 13:50:51,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 13:50:51,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 13:50:51,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 13:50:51,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 13:50:51,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:50:51,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:50:51,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:50:51,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:50:51,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:50:51,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:50:51,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:50:51,740 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:50:51,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:50:51,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:50:51,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:50:51,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:50:51,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:50:51,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:50:51,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:50:51,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:50:51,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:50:52,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:50:52,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:50:52,006 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:50:52,006 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:50:52,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-07-14 13:50:52,007 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-07-14 13:50:52,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:50:52,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:50:52,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:50:52,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:50:52,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:50:52,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:50:52,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:50:52,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:50:52,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:50:52,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... [2021-07-14 13:50:52,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:50:52,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:50:52,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:50:52,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:50:52,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:50:52,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:50:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:50:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:50:52,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:50:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:50:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:50:52,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:50:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:50:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:50:52,139 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:50:52,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:50:52,345 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:50:52,347 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:50:52 BoogieIcfgContainer [2021-07-14 13:50:52,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:50:52,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:50:52,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:50:52,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:50:52,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:50:52" (1/2) ... [2021-07-14 13:50:52,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494a7d6e and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:50:52, skipping insertion in model container [2021-07-14 13:50:52,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:50:52" (2/2) ... [2021-07-14 13:50:52,352 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-07-14 13:50:52,355 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:50:52,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:50:52,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:50:52,356 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:50:52,376 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 13:50:52,390 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 13:50:52,443 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:50:52,444 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:50:52,444 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:50:52,444 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:50:52,444 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:50:52,444 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:50:52,444 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:50:52,444 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:50:52,584 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:52,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:52,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1585478612, now seen corresponding path program 1 times [2021-07-14 13:50:52,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:52,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051069577] [2021-07-14 13:50:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:50:52,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:52,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051069577] [2021-07-14 13:50:52,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051069577] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:50:52,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:50:52,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:50:52,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100397149] [2021-07-14 13:50:52,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:50:52,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:52,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:50:52,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:50:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:52,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:52,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:52,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:52,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:50:52,770 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:52,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:52,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1629688122, now seen corresponding path program 2 times [2021-07-14 13:50:52,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:52,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176952333] [2021-07-14 13:50:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:50:52,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:52,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176952333] [2021-07-14 13:50:52,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176952333] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:50:52,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:50:52,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 13:50:52,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620446977] [2021-07-14 13:50:52,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:50:52,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:52,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:50:52,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:50:52,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:52,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:52,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:52,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:52,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:52,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 13:50:52,824 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:52,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2090792504, now seen corresponding path program 3 times [2021-07-14 13:50:52,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:52,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224280885] [2021-07-14 13:50:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:53,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:53,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224280885] [2021-07-14 13:50:53,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224280885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:53,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472567134] [2021-07-14 13:50:53,013 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:53,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:50:53,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:50:53,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 13:50:53,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:50:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:53,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472567134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:53,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:50:53,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-14 13:50:53,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684487374] [2021-07-14 13:50:53,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:50:53,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:53,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:50:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:50:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:53,503 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:53,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.826086956521739) internal successors, (42), 22 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:53,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:53,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:53,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:53,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:53,888 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:53,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1464495178, now seen corresponding path program 4 times [2021-07-14 13:50:53,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:53,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716670204] [2021-07-14 13:50:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:54,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:54,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716670204] [2021-07-14 13:50:54,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716670204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:54,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882679850] [2021-07-14 13:50:54,118 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:54,146 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:50:54,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:50:54,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 13:50:54,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:50:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:54,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882679850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:54,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:50:54,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 13:50:54,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096509517] [2021-07-14 13:50:54,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 13:50:54,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:54,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 13:50:54,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-07-14 13:50:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:54,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:54,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.84) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:54,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:54,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:50:54,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:54,982 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:54,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:54,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1430328286, now seen corresponding path program 5 times [2021-07-14 13:50:54,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:54,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649549127] [2021-07-14 13:50:54,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:50:55,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:55,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649549127] [2021-07-14 13:50:55,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649549127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:55,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872698827] [2021-07-14 13:50:55,376 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:55,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 13:50:55,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:50:55,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 13:50:55,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:50:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:56,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872698827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:56,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:50:56,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2021-07-14 13:50:56,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306067867] [2021-07-14 13:50:56,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:50:56,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:50:56,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:50:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:56,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:56,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.8387096774193548) internal successors, (57), 30 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:50:56,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:50:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:50:57,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:57,121 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:50:57,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:50:57,121 INFO L82 PathProgramCache]: Analyzing trace with hash 659261342, now seen corresponding path program 6 times [2021-07-14 13:50:57,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:50:57,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569144880] [2021-07-14 13:50:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:50:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:50:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 13:50:57,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:50:57,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569144880] [2021-07-14 13:50:57,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569144880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:57,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830127524] [2021-07-14 13:50:57,546 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:50:57,583 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 13:50:57,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:50:57,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 13:50:57,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:50:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:50:58,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830127524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:50:58,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:50:58,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 32 [2021-07-14 13:50:58,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581542733] [2021-07-14 13:50:58,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:50:58,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:50:58,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:50:58,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=930, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:50:58,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:50:58,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:50:58,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.8484848484848484) internal successors, (61), 32 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:50:58,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:51:01,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:51:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:51:01,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 13:51:01,956 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 13:51:01,958 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:51:01 BasicIcfg [2021-07-14 13:51:01,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 13:51:01,958 INFO L168 Benchmark]: Toolchain (without parser) took 9917.25 ms. Allocated memory was 186.6 MB in the beginning and 310.4 MB in the end (delta: 123.7 MB). Free memory was 166.8 MB in the beginning and 114.6 MB in the end (delta: 52.2 MB). Peak memory consumption was 175.4 MB. Max. memory is 8.0 GB. [2021-07-14 13:51:01,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 167.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 13:51:01,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 165.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:51:01,958 INFO L168 Benchmark]: Boogie Preprocessor took 13.30 ms. Allocated memory is still 186.6 MB. Free memory was 165.3 MB in the beginning and 164.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 13:51:01,959 INFO L168 Benchmark]: RCFGBuilder took 267.80 ms. Allocated memory is still 186.6 MB. Free memory was 164.3 MB in the beginning and 152.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 13:51:01,959 INFO L168 Benchmark]: TraceAbstraction took 9609.99 ms. Allocated memory was 186.6 MB in the beginning and 310.4 MB in the end (delta: 123.7 MB). Free memory was 151.9 MB in the beginning and 114.6 MB in the end (delta: 37.4 MB). Peak memory consumption was 160.8 MB. Max. memory is 8.0 GB. [2021-07-14 13:51:01,959 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 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 167.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 186.6 MB. Free memory was 166.6 MB in the beginning and 165.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.30 ms. Allocated memory is still 186.6 MB. Free memory was 165.3 MB in the beginning and 164.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 267.80 ms. Allocated memory is still 186.6 MB. Free memory was 164.3 MB in the beginning and 152.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9609.99 ms. Allocated memory was 186.6 MB in the beginning and 310.4 MB in the end (delta: 123.7 MB). Free memory was 151.9 MB in the beginning and 114.6 MB in the end (delta: 37.4 MB). Peak memory consumption was 160.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 806, positive: 592, positive conditional: 485, positive unconditional: 107, negative: 214, negative conditional: 206, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 652, positive: 592, positive conditional: 485, positive unconditional: 107, negative: 60, negative conditional: 52, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 652, positive: 529, positive conditional: 0, positive unconditional: 529, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 652, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179 ], Maximal queried relation: 6, Independence queries for same thread: 154 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 103, Number of persistent set computation: 24, Number of trivial persistent sets: 14, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 806, positive: 592, positive conditional: 485, positive unconditional: 107, negative: 214, negative conditional: 206, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 652, positive: 592, positive conditional: 485, positive unconditional: 107, negative: 60, negative conditional: 52, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 652, positive: 529, positive conditional: 0, positive unconditional: 529, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 652, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179, SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 319, negative conditional: 140, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 42, negative conditional: 36, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 129, negative conditional: 65, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 382, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 283, negative conditional: 104, negative unconditional: 179, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 179 ], Maximal queried relation: 6, Independence queries for same thread: 154 - PositiveResult [Line: 55]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9546.9ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 4285.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.1ms SsaConstructionTime, 115.9ms SatisfiabilityAnalysisTime, 3993.4ms InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 5509 SizeOfPredicates, 20 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 15/202 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...