/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:57:23,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:57:23,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:57:23,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:57:24,029 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:57:24,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:57:24,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:57:24,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:57:24,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:57:24,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:57:24,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:57:24,065 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:57:24,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:57:24,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:57:24,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:57:24,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:57:24,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:57:24,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:57:24,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:57:24,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:57:24,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:57:24,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:57:24,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:57:24,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:57:24,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:57:24,080 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:57:24,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:57:24,081 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:57:24,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:57:24,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:57:24,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:57:24,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:57:24,396 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:57:24,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl [2021-07-14 22:57:24,397 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl' [2021-07-14 22:57:24,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:57:24,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:57:24,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:57:24,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:57:24,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:57:24,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:57:24,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:57:24,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:57:24,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:57:24,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... [2021-07-14 22:57:24,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:57:24,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:57:24,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:57:24,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:57:24,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:57:24,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:57:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:57:24,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:57:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:57:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:57:24,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:57:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:57:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:57:24,554 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:57:24,758 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:57:24,758 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 22:57:24,760 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:57:24 BoogieIcfgContainer [2021-07-14 22:57:24,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:57:24,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:57:24,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:57:24,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:57:24,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:57:24" (1/2) ... [2021-07-14 22:57:24,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2858f482 and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:57:24, skipping insertion in model container [2021-07-14 22:57:24,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:57:24" (2/2) ... [2021-07-14 22:57:24,765 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2021-07-14 22:57:24,786 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:57:24,787 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:57:24,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:57:24,787 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:57:24,823 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:57:24,841 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:57:24,896 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:57:24,896 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:57:24,896 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:57:24,896 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:57:24,896 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:57:24,897 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:57:24,897 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:57:24,897 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:57:25,004 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:25,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:25,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1620049623, now seen corresponding path program 1 times [2021-07-14 22:57:25,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:25,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629523962] [2021-07-14 22:57:25,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:25,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:25,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629523962] [2021-07-14 22:57:25,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629523962] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:57:25,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:57:25,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:57:25,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102215311] [2021-07-14 22:57:25,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:57:25,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:25,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:57:25,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:57:25,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,215 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:25,217 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:25,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:57:25,234 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:25,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:25,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1217558278, now seen corresponding path program 1 times [2021-07-14 22:57:25,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:25,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344652923] [2021-07-14 22:57:25,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:25,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:25,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344652923] [2021-07-14 22:57:25,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344652923] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:57:25,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:57:25,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:57:25,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185121076] [2021-07-14 22:57:25,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:57:25,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:25,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:57:25,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:57:25,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:25,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:25,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:25,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:57:25,438 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:25,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1671606046, now seen corresponding path program 1 times [2021-07-14 22:57:25,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:25,440 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248208032] [2021-07-14 22:57:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:57:25,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:25,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248208032] [2021-07-14 22:57:25,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248208032] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:57:25,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:57:25,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:57:25,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406105138] [2021-07-14 22:57:25,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:57:25,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:25,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:57:25,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:57:25,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:25,489 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) [2021-07-14 22:57:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:25,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 22:57:25,542 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:25,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:25,542 INFO L82 PathProgramCache]: Analyzing trace with hash -638859366, now seen corresponding path program 2 times [2021-07-14 22:57:25,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:25,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44716628] [2021-07-14 22:57:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:25,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:25,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44716628] [2021-07-14 22:57:25,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44716628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:25,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330888332] [2021-07-14 22:57:25,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:25,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:57:25,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:57:25,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 22:57:25,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:57:26,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 22:57:26,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:57:26,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:26,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:26,010 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 22:57:26,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 22:57:26,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:57:26,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:26,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:26,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 22:57:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:26,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330888332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:26,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:57:26,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 22:57:26,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004720506] [2021-07-14 22:57:26,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 22:57:26,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:26,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 22:57:26,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-07-14 22:57:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,077 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:26,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:26,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:26,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:26,414 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:26,414 INFO L82 PathProgramCache]: Analyzing trace with hash -112920739, now seen corresponding path program 3 times [2021-07-14 22:57:26,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:26,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878711562] [2021-07-14 22:57:26,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:26,454 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:26,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878711562] [2021-07-14 22:57:26,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878711562] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:57:26,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:57:26,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:57:26,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370162588] [2021-07-14 22:57:26,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:57:26,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:26,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:57:26,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:57:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:26,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:26,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:26,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 22:57:26,519 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:26,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:26,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1036943966, now seen corresponding path program 4 times [2021-07-14 22:57:26,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:26,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175348542] [2021-07-14 22:57:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 22:57:26,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:26,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175348542] [2021-07-14 22:57:26,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175348542] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:26,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855601846] [2021-07-14 22:57:26,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:26,657 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:57:26,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:57:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 22:57:26,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:57:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 22:57:26,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855601846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:26,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:57:26,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 22:57:26,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443531127] [2021-07-14 22:57:26,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:57:26,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:26,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:57:26,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:57:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:26,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:26,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:26,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:57:27,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:27,061 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:27,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:27,061 INFO L82 PathProgramCache]: Analyzing trace with hash 2061130079, now seen corresponding path program 5 times [2021-07-14 22:57:27,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:27,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253066955] [2021-07-14 22:57:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:27,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:27,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253066955] [2021-07-14 22:57:27,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253066955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:27,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646989058] [2021-07-14 22:57:27,529 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:27,584 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 22:57:27,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:57:27,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:57:27,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:57:27,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:27,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-07-14 22:57:27,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:57:27,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:27,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:27,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:18 [2021-07-14 22:57:27,933 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 22:57:27,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 22:57:27,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:57:27,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:27,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:27,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:5 [2021-07-14 22:57:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:27,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646989058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:27,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:57:27,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 22:57:27,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43540162] [2021-07-14 22:57:27,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 22:57:27,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:27,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 22:57:27,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2021-07-14 22:57:27,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:27,983 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:27,983 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.962962962962963) internal successors, (53), 26 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:27,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:57:27,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:57:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:57:28,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:28,675 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:57:28,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:57:28,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1690110662, now seen corresponding path program 6 times [2021-07-14 22:57:28,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:57:28,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364834235] [2021-07-14 22:57:28,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:57:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:57:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 22:57:29,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:57:29,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364834235] [2021-07-14 22:57:29,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364834235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:29,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361626872] [2021-07-14 22:57:29,223 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:57:29,264 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 22:57:29,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:57:29,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 22:57:29,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:57:29,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:29,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 52 [2021-07-14 22:57:29,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:57:29,869 INFO L628 ElimStorePlain]: treesize reduction 16, result has 82.6 percent of original size [2021-07-14 22:57:29,871 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:29,871 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:55 [2021-07-14 22:57:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:57:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:57:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:57:29,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:57:29,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2021-07-14 22:57:30,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 22:57:30,037 INFO L628 ElimStorePlain]: treesize reduction 19, result has 58.7 percent of original size [2021-07-14 22:57:30,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:57:30,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:26 [2021-07-14 22:57:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:57:30,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361626872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:57:30,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:57:30,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2021-07-14 22:57:30,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537331458] [2021-07-14 22:57:30,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 22:57:30,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:57:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 22:57:30,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1186, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 22:57:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:30,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:57:30,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 37 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:57:30,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:57:30,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 22:57:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:57:32,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 22:57:32,509 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 22:57:32,511 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 10:57:32 BasicIcfg [2021-07-14 22:57:32,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 22:57:32,512 INFO L168 Benchmark]: Toolchain (without parser) took 8086.84 ms. Allocated memory was 183.5 MB in the beginning and 270.5 MB in the end (delta: 87.0 MB). Free memory was 164.5 MB in the beginning and 216.9 MB in the end (delta: -52.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2021-07-14 22:57:32,512 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 183.5 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:57:32,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.85 ms. Allocated memory is still 183.5 MB. Free memory was 164.4 MB in the beginning and 163.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:57:32,512 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 183.5 MB. Free memory was 163.0 MB in the beginning and 162.0 MB in the end (delta: 965.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:57:32,512 INFO L168 Benchmark]: RCFGBuilder took 282.72 ms. Allocated memory is still 183.5 MB. Free memory was 162.0 MB in the beginning and 148.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 22:57:32,512 INFO L168 Benchmark]: TraceAbstraction took 7749.86 ms. Allocated memory was 183.5 MB in the beginning and 270.5 MB in the end (delta: 87.0 MB). Free memory was 148.3 MB in the beginning and 216.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2021-07-14 22:57:32,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 183.5 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.85 ms. Allocated memory is still 183.5 MB. Free memory was 164.4 MB in the beginning and 163.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 183.5 MB. Free memory was 163.0 MB in the beginning and 162.0 MB in the end (delta: 965.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 282.72 ms. Allocated memory is still 183.5 MB. Free memory was 162.0 MB in the beginning and 148.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7749.86 ms. Allocated memory was 183.5 MB in the beginning and 270.5 MB in the end (delta: 87.0 MB). Free memory was 148.3 MB in the beginning and 216.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 20.0 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: 1366, positive: 1097, positive conditional: 814, positive unconditional: 283, negative: 269, negative conditional: 254, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1137, positive: 1097, positive conditional: 814, positive unconditional: 283, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1137, positive: 1044, positive conditional: 0, positive unconditional: 1044, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 187, positive conditional: 0, positive unconditional: 187, 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: 192, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1137, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221 ], Maximal queried relation: 8, Independence queries for same thread: 229 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 110, Number of persistent set computation: 44, Number of trivial persistent sets: 32, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1366, positive: 1097, positive conditional: 814, positive unconditional: 283, negative: 269, negative conditional: 254, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1137, positive: 1097, positive conditional: 814, positive unconditional: 283, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1137, positive: 1044, positive conditional: 0, positive unconditional: 1044, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 187, positive conditional: 0, positive unconditional: 187, 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: 192, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1137, positive: 857, positive conditional: 0, positive unconditional: 857, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221, SemanticConditionEliminator.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 448, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 395, negative conditional: 141, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 36, negative conditional: 31, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 59, positive conditional: 14, positive unconditional: 46, negative: 103, negative conditional: 77, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 448, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 364, negative conditional: 110, negative unconditional: 254, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 229, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 36, Negative conditional cache size: 31, Negative unconditional cache size: 5, Eliminated conditions: 221 ], Maximal queried relation: 8, Independence queries for same thread: 229 - PositiveResult [Line: 62]: 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, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7654.3ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.1ms, PartialOrderReductionTime: 3095.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 90, 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: 61.3ms SsaConstructionTime, 187.5ms SatisfiabilityAnalysisTime, 3093.8ms InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 354 ConstructedInterpolants, 4 QuantifiedInterpolants, 2759 SizeOfPredicates, 31 NumberOfNonLiveVariables, 301 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 98/204 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...