/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 04:05:49,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 04:05:49,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 04:05:49,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 04:05:49,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 04:05:49,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 04:05:49,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 04:05:49,468 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-Persistent-NoLbe.epf [2021-07-10 04:05:49,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 04:05:49,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 04:05:49,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 04:05:49,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 04:05:49,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 04:05:49,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 04:05:49,503 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 04:05:49,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 04:05:49,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 04:05:49,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 04:05:49,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 04:05:49,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 04:05:49,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 04:05:49,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 04:05:49,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 04:05:49,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 04:05:49,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 04:05:49,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 04:05:49,507 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 04:05:49,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 04:05:49,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 04:05:49,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 04:05:49,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 04:05:49,785 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 04:05:49,786 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 04:05:49,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl [2021-07-10 04:05:49,787 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-2.wvr.bpl' [2021-07-10 04:05:49,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 04:05:49,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 04:05:49,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 04:05:49,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 04:05:49,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 04:05:49,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 04:05:49,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 04:05:49,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 04:05:49,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 04:05:49,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/1) ... [2021-07-10 04:05:49,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 04:05:49,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 04:05:49,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 04:05:49,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 04:05:49,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (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 [2021-07-10 04:05:49,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 04:05:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 04:05:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 04:05:49,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 04:05:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 04:05:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 04:05:49,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 04:05:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 04:05:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 04:05:49,948 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 04:05:50,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 04:05:50,084 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 04:05:50,085 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:05:50 BoogieIcfgContainer [2021-07-10 04:05:50,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 04:05:50,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 04:05:50,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 04:05:50,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 04:05:50,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 04:05:49" (1/2) ... [2021-07-10 04:05:50,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33fb666a and model type bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 04:05:50, skipping insertion in model container [2021-07-10 04:05:50,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 04:05:50" (2/2) ... [2021-07-10 04:05:50,102 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-2.wvr.bpl [2021-07-10 04:05:50,105 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 04:05:50,105 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 04:05:50,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 04:05:50,106 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 04:05:50,151 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 04:05:50,168 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 [2021-07-10 04:05:50,216 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 04:05:50,217 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 04:05:50,217 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 04:05:50,217 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 04:05:50,217 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 04:05:50,217 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 04:05:50,217 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 04:05:50,217 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 04:05:50,326 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:50,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:50,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1545932500, now seen corresponding path program 1 times [2021-07-10 04:05:50,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:50,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67952679] [2021-07-10 04:05:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:50,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:50,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67952679] [2021-07-10 04:05:50,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67952679] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:50,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:50,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 04:05:50,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312017079] [2021-07-10 04:05:50,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 04:05:50,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:50,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 04:05:50,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 04:05:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:50,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:50,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 04:05:50,738 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:50,740 INFO L82 PathProgramCache]: Analyzing trace with hash 655319340, now seen corresponding path program 2 times [2021-07-10 04:05:50,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:50,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070076346] [2021-07-10 04:05:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:50,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:50,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070076346] [2021-07-10 04:05:50,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070076346] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:50,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:50,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 04:05:50,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981715971] [2021-07-10 04:05:50,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 04:05:50,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:50,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 04:05:50,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 04:05:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:50,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:50,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:50,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:50,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 04:05:50,909 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:50,910 INFO L82 PathProgramCache]: Analyzing trace with hash -451959106, now seen corresponding path program 3 times [2021-07-10 04:05:50,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:50,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595814556] [2021-07-10 04:05:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:50,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:50,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595814556] [2021-07-10 04:05:50,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595814556] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:50,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:50,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 04:05:50,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464192851] [2021-07-10 04:05:50,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 04:05:50,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 04:05:50,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 04:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:50,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:50,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:50,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 04:05:50,952 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:50,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:50,953 INFO L82 PathProgramCache]: Analyzing trace with hash -345109392, now seen corresponding path program 4 times [2021-07-10 04:05:50,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:50,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604774048] [2021-07-10 04:05:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:51,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:51,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604774048] [2021-07-10 04:05:51,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604774048] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:51,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:51,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 04:05:51,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769916592] [2021-07-10 04:05:51,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 04:05:51,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:51,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 04:05:51,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 04:05:51,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:51,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 04:05:51,044 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:51,045 INFO L82 PathProgramCache]: Analyzing trace with hash 739425392, now seen corresponding path program 5 times [2021-07-10 04:05:51,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:51,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144943888] [2021-07-10 04:05:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:51,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:51,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144943888] [2021-07-10 04:05:51,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144943888] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:51,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:51,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 04:05:51,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254821704] [2021-07-10 04:05:51,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 04:05:51,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:51,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 04:05:51,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 04:05:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:51,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 04:05:51,118 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:51,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:51,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1974391024, now seen corresponding path program 6 times [2021-07-10 04:05:51,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:51,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046541255] [2021-07-10 04:05:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:51,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:51,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046541255] [2021-07-10 04:05:51,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046541255] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:51,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:51,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 04:05:51,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228131493] [2021-07-10 04:05:51,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 04:05:51,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:51,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 04:05:51,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 04:05:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:51,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 04:05:51,162 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:51,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:51,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1634397908, now seen corresponding path program 7 times [2021-07-10 04:05:51,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:51,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797696029] [2021-07-10 04:05:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:51,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:51,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797696029] [2021-07-10 04:05:51,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797696029] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:51,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:51,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 04:05:51,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899705484] [2021-07-10 04:05:51,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 04:05:51,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:51,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 04:05:51,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 04:05:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:51,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-10 04:05:51,237 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 04:05:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 04:05:51,237 INFO L82 PathProgramCache]: Analyzing trace with hash -895217364, now seen corresponding path program 8 times [2021-07-10 04:05:51,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 04:05:51,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107061325] [2021-07-10 04:05:51,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 04:05:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 04:05:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 04:05:51,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 04:05:51,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107061325] [2021-07-10 04:05:51,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107061325] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 04:05:51,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 04:05:51,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 04:05:51,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34440111] [2021-07-10 04:05:51,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 04:05:51,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 04:05:51,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 04:05:51,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 04:05:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 04:05:51,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 04:05:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 04:05:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 04:05:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 04:05:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 04:05:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 04:05:51,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 04:05:51,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-10 04:05:51,395 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 04:05:51,397 INFO L202 PluginConnector]: Adding new model bakery-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 04:05:51 BasicIcfg [2021-07-10 04:05:51,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 04:05:51,397 INFO L168 Benchmark]: Toolchain (without parser) took 1570.70 ms. Allocated memory is still 185.6 MB. Free memory was 166.2 MB in the beginning and 139.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2021-07-10 04:05:51,397 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 185.6 MB. Free memory is still 167.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 04:05:51,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 185.6 MB. Free memory was 166.1 MB in the beginning and 164.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 04:05:51,398 INFO L168 Benchmark]: Boogie Preprocessor took 18.36 ms. Allocated memory is still 185.6 MB. Free memory was 164.6 MB in the beginning and 163.7 MB in the end (delta: 927.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 04:05:51,398 INFO L168 Benchmark]: RCFGBuilder took 214.00 ms. Allocated memory is still 185.6 MB. Free memory was 163.6 MB in the beginning and 152.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 04:05:51,398 INFO L168 Benchmark]: TraceAbstraction took 1299.64 ms. Allocated memory is still 185.6 MB. Free memory was 151.9 MB in the beginning and 139.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-07-10 04:05:51,399 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 0.14 ms. Allocated memory is still 185.6 MB. Free memory is still 167.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.63 ms. Allocated memory is still 185.6 MB. Free memory was 166.1 MB in the beginning and 164.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.36 ms. Allocated memory is still 185.6 MB. Free memory was 164.6 MB in the beginning and 163.7 MB in the end (delta: 927.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 214.00 ms. Allocated memory is still 185.6 MB. Free memory was 163.6 MB in the beginning and 152.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1299.64 ms. Allocated memory is still 185.6 MB. Free memory was 151.9 MB in the beginning and 139.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.4 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: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, positive: 258, positive conditional: 0, positive unconditional: 258, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 619, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 285, unknown conditional: 0, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 ], Maximal queried relation: 8, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 156, Number of persistent set computation: 93, Number of trivial persistent sets: 39, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 619, positive: 549, positive conditional: 0, positive unconditional: 549, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, positive: 258, positive conditional: 0, positive unconditional: 258, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 619, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 285, unknown conditional: 0, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 215, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 258, Positive conditional cache size: 0, Positive unconditional cache size: 258, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 ], Maximal queried relation: 8, Independence queries for same thread: 0 - PositiveResult [Line: 54]: 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, 56 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1215.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 502.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, 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: 11.1ms SsaConstructionTime, 84.0ms SatisfiabilityAnalysisTime, 430.6ms InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...