/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-Random42.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 21:35:10,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:35:10,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:35:10,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:35:10,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 21:35:10,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 21:35:10,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 21:35:10,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 21:35:10,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 21:35:10,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 21:35:10,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 21:35:10,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 21:35:10,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 21:35:10,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 21:35:10,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 21:35:10,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 21:35:10,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 21:35:10,357 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-Random42.epf [2021-07-14 21:35:10,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:35:10,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:35:10,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:35:10,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:35:10,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:35:10,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:35:10,392 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:35:10,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:35:10,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:35:10,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:35:10,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:35:10,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:35:10,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:35:10,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:35:10,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:35:10,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:35:10,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:35:10,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:35:10,396 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:35:10,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:35:10,397 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:35:10,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:35:10,397 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:35:10,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:35:10,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:35:10,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:35:10,711 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:35:10,713 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:35:10,714 INFO L432 ainManager$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 21:35:10,714 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 21:35:10,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:35:10,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:35:10,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:35:10,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:35:10,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:35:10,753 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,762 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:35:10,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:35:10,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:35:10,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:35:10,778 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,778 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,779 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,779 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,781 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,784 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,785 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 09:35:10" (1/1) ... [2021-07-14 21:35:10,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:35:10,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:35:10,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:35:10,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:35:10,788 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 09:35:10" (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 21:35:10,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 21:35:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 21:35:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 21:35:10,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 21:35:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 21:35:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 21:35:10,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:35:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:35:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:35:10,849 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 21:35:11,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:35:11,114 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 21:35:11,116 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:35:11 BoogieIcfgContainer [2021-07-14 21:35:11,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:35:11,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:35:11,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:35:11,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:35:11,121 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 09:35:10" (1/2) ... [2021-07-14 21:35:11,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719ddd43 and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:35:11, skipping insertion in model container [2021-07-14 21:35:11,122 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 09:35:11" (2/2) ... [2021-07-14 21:35:11,124 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2021-07-14 21:35:11,145 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:35:11,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:35:11,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:35:11,146 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:35:11,208 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 21:35:11,228 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 21:35:11,283 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:35:11,284 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:35:11,284 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:35:11,284 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:35:11,284 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:35:11,284 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:35:11,284 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:35:11,284 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:35:11,460 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:11,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:11,464 INFO L82 PathProgramCache]: Analyzing trace with hash -776643309, now seen corresponding path program 1 times [2021-07-14 21:35:11,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:11,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14314750] [2021-07-14 21:35:11,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:11,623 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 21:35:11,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:11,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14314750] [2021-07-14 21:35:11,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14314750] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:35:11,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:35:11,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:35:11,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674073892] [2021-07-14 21:35:11,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:35:11,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:11,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:35:11,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:35:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:11,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:11,646 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 21:35:11,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:11,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:35:11,673 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:11,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:11,677 INFO L82 PathProgramCache]: Analyzing trace with hash 69506966, now seen corresponding path program 1 times [2021-07-14 21:35:11,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:11,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960027536] [2021-07-14 21:35:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:11,709 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 21:35:11,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:11,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960027536] [2021-07-14 21:35:11,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960027536] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:35:11,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:35:11,709 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:35:11,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146135772] [2021-07-14 21:35:11,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:35:11,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:11,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:35:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:35:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:11,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:11,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 21:35:11,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:11,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:11,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:35:11,734 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:11,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:11,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1406710482, now seen corresponding path program 1 times [2021-07-14 21:35:11,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:11,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893958822] [2021-07-14 21:35:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:11,855 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 21:35:11,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:11,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893958822] [2021-07-14 21:35:11,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893958822] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:11,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019527140] [2021-07-14 21:35:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:11,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 21:35:11,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:12,110 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 21:35:12,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:12,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:12,120 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 21:35:12,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 21:35:12,154 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 21:35:12,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:12,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:12,164 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 21:35:12,164 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 21:35:12,193 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 21:35:12,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019527140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:12,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:35:12,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 21:35:12,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150365006] [2021-07-14 21:35:12,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 21:35:12,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:12,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 21:35:12,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 21:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:12,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:12,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 11 states have internal predecessors, (33), 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 21:35:12,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:12,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:12,521 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1964570069, now seen corresponding path program 2 times [2021-07-14 21:35:12,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:12,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191269383] [2021-07-14 21:35:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:35:12,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:12,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191269383] [2021-07-14 21:35:12,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191269383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:12,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696608515] [2021-07-14 21:35:12,583 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 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 21:35:12,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:35:12,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:35:12,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 21:35:12,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:35:12,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696608515] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:35:12,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 21:35:12,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 21:35:12,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063198774] [2021-07-14 21:35:12,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 21:35:12,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:12,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 21:35:12,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 21:35:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:12,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:12,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 21:35:12,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:12,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:12,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:12,929 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:12,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:12,929 INFO L82 PathProgramCache]: Analyzing trace with hash -338314250, now seen corresponding path program 3 times [2021-07-14 21:35:12,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:12,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9614525] [2021-07-14 21:35:12,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:13,007 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 21:35:13,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:13,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9614525] [2021-07-14 21:35:13,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9614525] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:13,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643220586] [2021-07-14 21:35:13,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 21:35:13,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 21:35:13,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:35:13,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 21:35:13,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 21:35:13,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643220586] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:35:13,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 21:35:13,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-07-14 21:35:13,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641916626] [2021-07-14 21:35:13,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 21:35:13,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:13,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 21:35:13,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 21:35:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:13,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:13,168 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.0) 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 21:35:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:13,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:13,433 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 779117555, now seen corresponding path program 4 times [2021-07-14 21:35:13,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:13,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122300234] [2021-07-14 21:35:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:35:13,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:13,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122300234] [2021-07-14 21:35:13,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122300234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:13,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527203962] [2021-07-14 21:35:13,740 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 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 21:35:13,781 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:35:13,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:35:13,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 21:35:13,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:14,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:14,198 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 26 treesize of output 26 [2021-07-14 21:35:14,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:14,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:35:14,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:44, output treesize:30 [2021-07-14 21:35:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:35:14,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-07-14 21:35:14,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:14,307 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 21:35:14,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:5 [2021-07-14 21:35:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:35:14,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527203962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:14,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:35:14,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 22 [2021-07-14 21:35:14,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573088068] [2021-07-14 21:35:14,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 21:35:14,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:14,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 21:35:14,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2021-07-14 21:35:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:14,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:14,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 22 states have internal predecessors, (49), 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 21:35:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:14,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:14,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:14,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:35:15,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 21:35:15,213 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 21:35:15,215 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 09:35:15 BasicIcfg [2021-07-14 21:35:15,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 21:35:15,215 INFO L168 Benchmark]: Toolchain (without parser) took 4475.41 ms. Allocated memory was 218.1 MB in the beginning and 294.6 MB in the end (delta: 76.5 MB). Free memory was 197.7 MB in the beginning and 254.3 MB in the end (delta: -56.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:35:15,216 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 218.1 MB. Free memory is still 198.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:35:15,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.34 ms. Allocated memory is still 218.1 MB. Free memory was 197.6 MB in the beginning and 196.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:35:15,216 INFO L168 Benchmark]: Boogie Preprocessor took 14.06 ms. Allocated memory is still 218.1 MB. Free memory was 196.2 MB in the beginning and 195.2 MB in the end (delta: 938.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:35:15,216 INFO L168 Benchmark]: RCFGBuilder took 329.61 ms. Allocated memory is still 218.1 MB. Free memory was 195.1 MB in the beginning and 182.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 21:35:15,216 INFO L168 Benchmark]: TraceAbstraction took 4096.99 ms. Allocated memory was 218.1 MB in the beginning and 294.6 MB in the end (delta: 76.5 MB). Free memory was 181.6 MB in the beginning and 254.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2021-07-14 21:35:15,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 218.1 MB. Free memory is still 198.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.34 ms. Allocated memory is still 218.1 MB. Free memory was 197.6 MB in the beginning and 196.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.06 ms. Allocated memory is still 218.1 MB. Free memory was 196.2 MB in the beginning and 195.2 MB in the end (delta: 938.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 329.61 ms. Allocated memory is still 218.1 MB. Free memory was 195.1 MB in the beginning and 182.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4096.99 ms. Allocated memory was 218.1 MB in the beginning and 294.6 MB in the end (delta: 76.5 MB). Free memory was 181.6 MB in the beginning and 254.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 5.3 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: 1036, positive: 787, positive conditional: 556, positive unconditional: 231, negative: 249, negative conditional: 235, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 830, positive: 787, positive conditional: 556, positive unconditional: 231, negative: 43, negative conditional: 29, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 830, positive: 764, positive conditional: 0, positive unconditional: 764, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 160, positive conditional: 0, positive unconditional: 160, 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: 165, positive: 155, positive conditional: 0, positive unconditional: 155, 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: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 830, positive: 604, positive conditional: 0, positive unconditional: 604, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 165, unknown conditional: 0, unknown unconditional: 165] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133 ], Maximal queried relation: 6, Independence queries for same thread: 206 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 120, Number of persistent set computation: 34, Number of trivial persistent sets: 26, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1036, positive: 787, positive conditional: 556, positive unconditional: 231, negative: 249, negative conditional: 235, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 830, positive: 787, positive conditional: 556, positive unconditional: 231, negative: 43, negative conditional: 29, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 830, positive: 764, positive conditional: 0, positive unconditional: 764, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 160, positive conditional: 0, positive unconditional: 160, 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: 165, positive: 155, positive conditional: 0, positive unconditional: 155, 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: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 830, positive: 604, positive conditional: 0, positive unconditional: 604, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 165, unknown conditional: 0, unknown unconditional: 165] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 229, negative conditional: 78, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 33, negative conditional: 28, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 103, negative conditional: 74, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 252, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 201, negative conditional: 50, negative unconditional: 151, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 166, Positive conditional cache size: 6, Positive unconditional cache size: 160, Negative cache size: 33, Negative conditional cache size: 28, Negative unconditional cache size: 5, Eliminated conditions: 133 ], Maximal queried relation: 6, Independence queries for same thread: 206 - 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: 3970.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.3ms, PartialOrderReductionTime: 1056.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 30.5ms SsaConstructionTime, 126.4ms SatisfiabilityAnalysisTime, 1566.3ms InterpolantComputationTime, 288 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 278 ConstructedInterpolants, 11 QuantifiedInterpolants, 1332 SizeOfPredicates, 18 NumberOfNonLiveVariables, 253 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 105/143 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...