/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 03:10:00,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 03:10:00,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 03:10:00,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 03:10:00,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 03:10:00,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 03:10:00,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 03:10:00,452 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 03:10:00,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 03:10:00,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 03:10:00,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 03:10:00,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 03:10:00,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 03:10:00,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 03:10:00,489 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 03:10:00,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 03:10:00,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 03:10:00,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 03:10:00,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 03:10:00,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 03:10:00,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:10:00,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 03:10:00,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 03:10:00,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 03:10:00,493 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 03:10:00,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 03:10:00,493 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 03:10:00,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 03:10:00,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 03:10:00,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 03:10:00,856 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 03:10:00,857 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 03:10:00,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl [2021-06-07 03:10:00,858 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl' [2021-06-07 03:10:00,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 03:10:00,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 03:10:00,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 03:10:00,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 03:10:00,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 03:10:00,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 03:10:00,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 03:10:00,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 03:10:00,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 03:10:00,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/1) ... [2021-06-07 03:10:00,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 03:10:00,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 03:10:00,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 03:10:00,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 03:10:00,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (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 [2021-06-07 03:10:01,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 03:10:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 03:10:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 03:10:01,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 03:10:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 03:10:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 03:10:01,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 03:10:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 03:10:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 03:10:01,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 03:10:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 03:10:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 03:10:01,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 03:10:01,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 03:10:01,174 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 03:10:01,176 INFO L202 PluginConnector]: Adding new model min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:10:01 BoogieIcfgContainer [2021-06-07 03:10:01,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 03:10:01,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 03:10:01,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 03:10:01,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 03:10:01,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:10:00" (1/2) ... [2021-06-07 03:10:01,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b1a07b and model type min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:10:01, skipping insertion in model container [2021-06-07 03:10:01,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:10:01" (2/2) ... [2021-06-07 03:10:01,182 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-1.wvr.bpl [2021-06-07 03:10:01,187 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 03:10:01,187 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 03:10:01,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 03:10:01,188 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 03:10:01,220 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 03:10:01,249 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-07 03:10:01,296 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:10:01,296 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:10:01,296 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:10:01,296 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:10:01,297 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:10:01,297 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:10:01,297 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:10:01,297 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 03:10:01,389 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:10:01,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:10:01,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1885004849, now seen corresponding path program 1 times [2021-06-07 03:10:01,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:10:01,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269537145] [2021-06-07 03:10:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:10:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:10:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:10:01,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:10:01,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269537145] [2021-06-07 03:10:01,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269537145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:10:01,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:10:01,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 03:10:01,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341537114] [2021-06-07 03:10:01,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 03:10:01,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:10:01,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 03:10:01,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 03:10:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:10:01,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:10:01,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-06-07 03:10:01,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:10:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 03:10:01,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 03:10:01,802 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:10:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:10:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1315113050, now seen corresponding path program 1 times [2021-06-07 03:10:01,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:10:01,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728392859] [2021-06-07 03:10:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:10:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:10:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:10:01,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:10:01,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728392859] [2021-06-07 03:10:01,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728392859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:10:01,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:10:01,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:10:01,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284853025] [2021-06-07 03:10:01,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 03:10:01,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:10:01,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 03:10:01,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-07 03:10:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:10:01,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:10:01,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-06-07 03:10:01,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 03:10:01,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:10:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 03:10:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:10:01,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 03:10:01,990 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 03:10:01,992 INFO L202 PluginConnector]: Adding new model min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 03:10:01 BasicIcfg [2021-06-07 03:10:01,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 03:10:01,993 INFO L168 Benchmark]: Toolchain (without parser) took 1103.80 ms. Allocated memory is still 348.1 MB. Free memory was 327.8 MB in the beginning and 293.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.0 GB. [2021-06-07 03:10:01,997 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 348.1 MB. Free memory is still 328.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:10:01,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 348.1 MB. Free memory was 327.7 MB in the beginning and 326.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:10:01,998 INFO L168 Benchmark]: Boogie Preprocessor took 24.43 ms. Allocated memory is still 348.1 MB. Free memory was 326.2 MB in the beginning and 325.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 03:10:01,999 INFO L168 Benchmark]: RCFGBuilder took 229.19 ms. Allocated memory is still 348.1 MB. Free memory was 325.1 MB in the beginning and 313.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-07 03:10:02,000 INFO L168 Benchmark]: TraceAbstraction took 814.50 ms. Allocated memory is still 348.1 MB. Free memory was 313.4 MB in the beginning and 293.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-06-07 03:10:02,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 348.1 MB. Free memory is still 328.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 348.1 MB. Free memory was 327.7 MB in the beginning and 326.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.43 ms. Allocated memory is still 348.1 MB. Free memory was 326.2 MB in the beginning and 325.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 229.19 ms. Allocated memory is still 348.1 MB. Free memory was 325.1 MB in the beginning and 313.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 814.50 ms. Allocated memory is still 348.1 MB. Free memory was 313.4 MB in the beginning and 293.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 365, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 305, positive: 299, positive conditional: 299, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 305, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 73, positive: 68, positive conditional: 0, positive unconditional: 68, 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: 73, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 75, negative conditional: 6, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 305, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 73, unknown conditional: 0, unknown unconditional: 73] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 73, Positive conditional cache size: 5, Positive unconditional cache size: 68, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 75, negative conditional: 6, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 73, Positive conditional cache size: 5, Positive unconditional cache size: 68, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 75, negative conditional: 6, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 73, Positive conditional cache size: 5, Positive unconditional cache size: 68, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 60 - PositiveResult [Line: 58]: 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 7 procedures, 49 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 724.9ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 294.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 13.9ms SsaConstructionTime, 47.2ms SatisfiabilityAnalysisTime, 176.7ms InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...