/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-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 16:53:28,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 16:53:28,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 16:53:28,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 16:53:28,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 16:53:28,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 16:53:28,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 16:53:28,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 16:53:28,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 16:53:28,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 16:53:28,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 16:53:28,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 16:53:28,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 16:53:28,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 16:53:28,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 16:53:28,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 16:53:28,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 16:53:28,985 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-NewStatesSleepUncond-NoLbe.epf [2021-06-30 16:53:29,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 16:53:29,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 16:53:29,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 16:53:29,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 16:53:29,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 16:53:29,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 16:53:29,030 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 16:53:29,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 16:53:29,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 16:53:29,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 16:53:29,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 16:53:29,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 16:53:29,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 16:53:29,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 16:53:29,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 16:53:29,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 16:53:29,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 16:53:29,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 16:53:29,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 16:53:29,034 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 16:53:29,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 16:53:29,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 16:53:29,034 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-30 16:53:29,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-30 16:53:29,035 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 16:53:29,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 16:53:29,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 16:53:29,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 16:53:29,366 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 16:53:29,367 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 16:53:29,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr12.bpl [2021-06-30 16:53:29,368 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr12.bpl' [2021-06-30 16:53:29,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 16:53:29,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 16:53:29,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 16:53:29,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 16:53:29,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 16:53:29,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 16:53:29,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 16:53:29,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 16:53:29,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 16:53:29,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... [2021-06-30 16:53:29,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 16:53:29,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 16:53:29,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 16:53:29,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 16:53:29,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 16:53:29,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 16:53:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 16:53:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 16:53:29,495 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 16:53:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 16:53:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 16:53:29,496 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 16:53:29,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 16:53:29,623 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 16:53:29,625 INFO L202 PluginConnector]: Adding new model incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:53:29 BoogieIcfgContainer [2021-06-30 16:53:29,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 16:53:29,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 16:53:29,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 16:53:29,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 16:53:29,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 04:53:29" (1/2) ... [2021-06-30 16:53:29,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca571ab and model type incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 04:53:29, skipping insertion in model container [2021-06-30 16:53:29,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 04:53:29" (2/2) ... [2021-06-30 16:53:29,632 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr12.bpl [2021-06-30 16:53:29,637 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 16:53:29,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 16:53:29,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 16:53:29,638 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 16:53:29,778 INFO L149 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2021-06-30 16:53:29,798 INFO L255 AbstractCegarLoop]: Starting to check reachability of 13 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-30 16:53:29,897 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 16:53:29,897 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 16:53:29,897 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 16:53:29,897 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 16:53:29,897 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 16:53:29,897 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 16:53:29,897 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 16:53:29,898 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 16:56:11,596 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 16:56:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 16:56:11,601 INFO L82 PathProgramCache]: Analyzing trace with hash 748063823, now seen corresponding path program 1 times [2021-06-30 16:56:11,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 16:56:11,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136157966] [2021-06-30 16:56:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 16:56:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 16:56:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-30 16:56:11,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 16:56:11,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136157966] [2021-06-30 16:56:11,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136157966] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 16:56:11,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 16:56:11,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-30 16:56:11,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758206846] [2021-06-30 16:56:11,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-30 16:56:11,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 16:56:11,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-30 16:56:11,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-30 16:56:11,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 16:56:11,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 16:56:11,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 16:56:11,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 16:56:17,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 16:56:17,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-30 16:56:17,395 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 16:56:17,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 16:56:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -2049502163, now seen corresponding path program 1 times [2021-06-30 16:56:17,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 16:56:17,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965565970] [2021-06-30 16:56:17,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 16:56:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 16:56:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 16:56:17,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 16:56:17,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965565970] [2021-06-30 16:56:17,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965565970] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 16:56:17,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 16:56:17,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-30 16:56:17,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614294759] [2021-06-30 16:56:17,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-30 16:56:17,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 16:56:17,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-30 16:56:17,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-30 16:56:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 16:56:17,633 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 16:56:17,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 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) [2021-06-30 16:56:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 16:56:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-06-30 17:04:20,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-30 17:04:20,093 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-30 17:04:20,098 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 17:04:20,099 WARN L196 ceAbstractionStarter]: Timeout [2021-06-30 17:04:20,099 INFO L202 PluginConnector]: Adding new model incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 05:04:20 BasicIcfg [2021-06-30 17:04:20,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 17:04:20,100 INFO L168 Benchmark]: Toolchain (without parser) took 650707.48 ms. Allocated memory was 188.7 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 168.3 MB in the beginning and 83.9 MB in the end (delta: 84.4 MB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. [2021-06-30 17:04:20,101 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 188.7 MB. Free memory is still 169.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 17:04:20,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 188.7 MB. Free memory was 168.1 MB in the beginning and 166.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 17:04:20,102 INFO L168 Benchmark]: Boogie Preprocessor took 13.67 ms. Allocated memory is still 188.7 MB. Free memory was 166.7 MB in the beginning and 165.7 MB in the end (delta: 984.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 17:04:20,102 INFO L168 Benchmark]: RCFGBuilder took 192.65 ms. Allocated memory is still 188.7 MB. Free memory was 165.6 MB in the beginning and 155.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-30 17:04:20,103 INFO L168 Benchmark]: TraceAbstraction took 650472.82 ms. Allocated memory was 188.7 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 155.2 MB in the beginning and 83.9 MB in the end (delta: 71.3 MB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. [2021-06-30 17:04:20,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 188.7 MB. Free memory is still 169.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 188.7 MB. Free memory was 168.1 MB in the beginning and 166.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.67 ms. Allocated memory is still 188.7 MB. Free memory was 166.7 MB in the beginning and 165.7 MB in the end (delta: 984.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 192.65 ms. Allocated memory is still 188.7 MB. Free memory was 165.6 MB in the beginning and 155.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 650472.82 ms. Allocated memory was 188.7 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 155.2 MB in the beginning and 83.9 MB in the end (delta: 71.3 MB). Peak memory consumption was 4.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23453339, positive: 22777959, positive conditional: 22777959, positive unconditional: 0, negative: 675380, negative conditional: 675380, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22777959, positive: 22777959, positive conditional: 0, positive unconditional: 22777959, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 924, positive: 924, positive conditional: 0, positive unconditional: 924, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 924, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 264, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 573, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22777959, positive: 22777035, positive conditional: 0, positive unconditional: 22777035, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 924, unknown conditional: 0, unknown unconditional: 924] , Statistics on independence cache: Total cache size (in pairs): 924, Positive cache size: 924, Positive conditional cache size: 0, Positive unconditional cache size: 924, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 675380 - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing SleepSetNewStateReduction. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 14 procedures, 80 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 650276.2ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 649742.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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: 12.0ms SsaConstructionTime, 91.7ms SatisfiabilityAnalysisTime, 214.5ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown