/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-NewStatesSleep-NoLbe-Symm.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 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:18:28,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:18:28,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:18:29,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:18:29,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 21:18:29,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 21:18:29,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 21:18:29,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 21:18:29,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 21:18:29,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 21:18:29,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 21:18:29,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 21:18:29,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 21:18:29,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 21:18:29,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 21:18:29,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 21:18:29,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 21:18:29,083 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:18:29,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:18:29,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:18:29,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:18:29,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:18:29,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:18:29,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:18:29,111 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:18:29,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:18:29,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:18:29,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:18:29,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:18:29,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:18:29,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:18:29,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:18:29,115 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:18:29,115 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:18:29,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:18:29,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:18:29,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:18:29,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:18:29,371 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:18:29,371 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:18:29,372 INFO L432 ainManager$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 [2021-06-16 21:18:29,372 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' [2021-06-16 21:18:29,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:18:29,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:18:29,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:18:29,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:18:29,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:18:29,400 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,405 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:18:29,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:18:29,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:18:29,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:18:29,417 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,417 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,418 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,418 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,420 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,422 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,422 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 16.06 09:18:29" (1/1) ... [2021-06-16 21:18:29,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:18:29,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:18:29,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:18:29,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:18:29,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:18:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:18:29,488 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:18:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:18:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:18:29,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:18:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:18:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:18:29,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:18:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:18:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:18:29,490 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:18:29,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:18:29,707 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:18:29,708 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:18:29 BoogieIcfgContainer [2021-06-16 21:18:29,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:18:29,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:18:29,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:18:29,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:18:29,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:18:29" (1/2) ... [2021-06-16 21:18:29,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9ae3d2 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:18:29, skipping insertion in model container [2021-06-16 21:18:29,712 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 16.06 09:18:29" (2/2) ... [2021-06-16 21:18:29,713 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-06-16 21:18:29,717 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:18:29,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:18:29,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:18:29,718 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:18:29,769 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 21:18:29,783 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 [2021-06-16 21:18:29,832 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:18:29,832 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:18:29,832 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:18:29,832 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:18:29,832 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:18:29,832 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:18:29,832 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:18:29,832 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:18:29,930 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:29,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:29,934 INFO L82 PathProgramCache]: Analyzing trace with hash -178355778, now seen corresponding path program 1 times [2021-06-16 21:18:29,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:29,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350806578] [2021-06-16 21:18:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:18:30,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:30,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350806578] [2021-06-16 21:18:30,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350806578] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:18:30,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:18:30,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:18:30,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572114996] [2021-06-16 21:18:30,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:18:30,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:30,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:18:30,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:18:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:30,071 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) [2021-06-16 21:18:30,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:18:30,119 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:30,120 INFO L82 PathProgramCache]: Analyzing trace with hash 721160386, now seen corresponding path program 2 times [2021-06-16 21:18:30,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:30,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54621772] [2021-06-16 21:18:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:18:30,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:30,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54621772] [2021-06-16 21:18:30,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54621772] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:18:30,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:18:30,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 21:18:30,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675325611] [2021-06-16 21:18:30,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:18:30,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:30,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:18:30,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-16 21:18:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:30,151 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) [2021-06-16 21:18:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 21:18:30,176 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:30,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:30,177 INFO L82 PathProgramCache]: Analyzing trace with hash 658702084, now seen corresponding path program 3 times [2021-06-16 21:18:30,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:30,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411198522] [2021-06-16 21:18:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:30,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:30,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411198522] [2021-06-16 21:18:30,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411198522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:30,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428406166] [2021-06-16 21:18:30,370 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 [2021-06-16 21:18:30,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 21:18:30,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:18:30,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 21:18:30,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:30,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428406166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:30,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:30,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-16 21:18:30,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850176032] [2021-06-16 21:18:30,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 21:18:30,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:30,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 21:18:30,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-06-16 21:18:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:30,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:31,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:31,070 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:31,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:31,070 INFO L82 PathProgramCache]: Analyzing trace with hash 892677834, now seen corresponding path program 4 times [2021-06-16 21:18:31,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:31,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351275137] [2021-06-16 21:18:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 21:18:31,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:31,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351275137] [2021-06-16 21:18:31,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351275137] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:31,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737127370] [2021-06-16 21:18:31,428 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) [2021-06-16 21:18:31,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:18:31,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:31,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-16 21:18:31,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:32,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737127370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:32,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:32,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-16 21:18:32,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985814192] [2021-06-16 21:18:32,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 21:18:32,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:32,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 21:18:32,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2021-06-16 21:18:32,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:32,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:32,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:32,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:32,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:32,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:32,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:32,657 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:32,657 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1904474506, now seen corresponding path program 5 times [2021-06-16 21:18:32,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:32,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297386454] [2021-06-16 21:18:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-16 21:18:32,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:32,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297386454] [2021-06-16 21:18:32,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297386454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:32,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562981530] [2021-06-16 21:18:32,975 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 [2021-06-16 21:18:33,008 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-16 21:18:33,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:18:33,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-16 21:18:33,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:33,690 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-06-16 21:18:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:34,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562981530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:34,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:34,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-06-16 21:18:34,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944061820] [2021-06-16 21:18:34,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 21:18:34,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:34,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 21:18:34,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-06-16 21:18:34,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:34,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:34,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:34,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:34,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:34,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:34,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:34,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:34,685 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:34,685 INFO L82 PathProgramCache]: Analyzing trace with hash -72906826, now seen corresponding path program 6 times [2021-06-16 21:18:34,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:34,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914631820] [2021-06-16 21:18:34,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-16 21:18:35,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:35,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914631820] [2021-06-16 21:18:35,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914631820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:35,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492140310] [2021-06-16 21:18:35,110 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 [2021-06-16 21:18:35,145 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-16 21:18:35,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:18:35,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 21:18:35,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:35,828 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-06-16 21:18:36,366 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-06-16 21:18:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:36,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492140310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:36,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:36,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 33 [2021-06-16 21:18:36,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044378212] [2021-06-16 21:18:36,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 21:18:36,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:36,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 21:18:36,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 21:18:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:36,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:36,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.911764705882353) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:36,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:36,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:36,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:36,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:36,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:37,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-16 21:18:37,827 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:37,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:37,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1873519174, now seen corresponding path program 7 times [2021-06-16 21:18:37,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:37,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620288782] [2021-06-16 21:18:37,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-06-16 21:18:37,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:37,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620288782] [2021-06-16 21:18:37,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620288782] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:18:37,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:18:37,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:18:37,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254660835] [2021-06-16 21:18:37,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:18:37,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:37,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:18:37,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:18:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:37,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:37,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:37,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:37,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-16 21:18:37,883 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:37,884 INFO L82 PathProgramCache]: Analyzing trace with hash 478880434, now seen corresponding path program 8 times [2021-06-16 21:18:37,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:37,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475643010] [2021-06-16 21:18:37,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-16 21:18:38,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:38,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475643010] [2021-06-16 21:18:38,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475643010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:38,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610757838] [2021-06-16 21:18:38,282 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:38,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:18:38,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:18:38,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-16 21:18:38,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:39,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610757838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:39,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:39,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 33 [2021-06-16 21:18:39,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132837325] [2021-06-16 21:18:39,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 21:18:39,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:39,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 21:18:39,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 21:18:39,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:39,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:39,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0588235294117645) internal successors, (70), 33 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:39,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:39,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:39,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:39,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:39,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:39,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 21:18:41,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:41,469 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:18:41,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:18:41,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1425778318, now seen corresponding path program 9 times [2021-06-16 21:18:41,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:18:41,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370050440] [2021-06-16 21:18:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:18:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:18:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 134 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-16 21:18:41,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:18:41,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370050440] [2021-06-16 21:18:41,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370050440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:41,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475519177] [2021-06-16 21:18:41,680 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:41,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-16 21:18:41,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:18:41,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 21:18:41,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:18:42,576 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-06-16 21:18:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:18:43,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475519177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:18:43,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:18:43,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25] total 38 [2021-06-16 21:18:43,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89978456] [2021-06-16 21:18:43,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-16 21:18:43,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:18:43,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-16 21:18:43,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-06-16 21:18:43,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:43,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:18:43,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.0) internal successors, (78), 38 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 21:18:43,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:18:46,077 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-06-16 21:18:46,235 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-06-16 21:18:46,383 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-16 21:18:46,537 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-06-16 21:18:47,707 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-06-16 21:18:47,910 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-06-16 21:18:48,402 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-16 21:18:48,769 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-06-16 21:18:48,964 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2021-06-16 21:18:49,193 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2021-06-16 21:18:49,375 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-16 21:18:49,661 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-16 21:18:49,900 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 80 [2021-06-16 21:18:50,143 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2021-06-16 21:18:50,599 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-06-16 21:18:50,749 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-06-16 21:18:52,409 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2021-06-16 21:18:54,103 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-06-16 21:18:54,933 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-06-16 21:18:55,093 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2021-06-16 21:18:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-16 21:18:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-16 21:18:58,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:18:58,279 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 21:18:58,280 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 09:18:58 BasicIcfg [2021-06-16 21:18:58,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 21:18:58,281 INFO L168 Benchmark]: Toolchain (without parser) took 28889.48 ms. Allocated memory was 187.7 MB in the beginning and 390.1 MB in the end (delta: 202.4 MB). Free memory was 166.4 MB in the beginning and 217.3 MB in the end (delta: -50.9 MB). Peak memory consumption was 152.0 MB. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory was 167.5 MB in the beginning and 167.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.83 ms. Allocated memory is still 187.7 MB. Free memory was 166.3 MB in the beginning and 164.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L168 Benchmark]: Boogie Preprocessor took 12.20 ms. Allocated memory is still 187.7 MB. Free memory was 164.9 MB in the beginning and 164.0 MB in the end (delta: 898.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L168 Benchmark]: RCFGBuilder took 283.25 ms. Allocated memory is still 187.7 MB. Free memory was 163.9 MB in the beginning and 151.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L168 Benchmark]: TraceAbstraction took 28570.87 ms. Allocated memory was 187.7 MB in the beginning and 390.1 MB in the end (delta: 202.4 MB). Free memory was 150.9 MB in the beginning and 217.3 MB in the end (delta: -66.4 MB). Peak memory consumption was 136.2 MB. Max. memory is 8.0 GB. [2021-06-16 21:18:58,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory was 167.5 MB in the beginning and 167.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.83 ms. Allocated memory is still 187.7 MB. Free memory was 166.3 MB in the beginning and 164.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.20 ms. Allocated memory is still 187.7 MB. Free memory was 164.9 MB in the beginning and 164.0 MB in the end (delta: 898.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 283.25 ms. Allocated memory is still 187.7 MB. Free memory was 163.9 MB in the beginning and 151.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28570.87 ms. Allocated memory was 187.7 MB in the beginning and 390.1 MB in the end (delta: 202.4 MB). Free memory was 150.9 MB in the beginning and 217.3 MB in the end (delta: -66.4 MB). Peak memory consumption was 136.2 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: 1639, positive: 1169, positive conditional: 1169, positive unconditional: 0, negative: 470, negative conditional: 470, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1298, positive: 1169, positive conditional: 1169, positive unconditional: 0, negative: 129, negative conditional: 129, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1298, positive: 998, positive conditional: 0, positive unconditional: 998, negative: 300, negative conditional: 0, negative unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1298, positive: 976, positive conditional: 0, positive unconditional: 976, negative: 295, negative conditional: 0, negative unconditional: 295, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693, SemanticConditionEliminator.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1451, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1280, negative conditional: 587, negative unconditional: 693, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 140, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 117, negative conditional: 112, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 355, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 305, negative conditional: 236, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1451, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 1168, negative conditional: 475, negative unconditional: 693, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 45, Positive conditional cache size: 23, Positive unconditional cache size: 22, Negative cache size: 117, Negative conditional cache size: 112, Negative unconditional cache size: 5, Eliminated conditions: 693 ], Maximal queried relation: 9, Independence queries for same thread: 341 - 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: 28478.4ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 17717.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 281, 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: 41.8ms SsaConstructionTime, 181.0ms SatisfiabilityAnalysisTime, 9008.2ms InterpolantComputationTime, 508 NumberOfCodeBlocks, 508 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 17305 SizeOfPredicates, 30 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 141 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 262/1071 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...