/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:14:02,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:14:02,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:14:02,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 13:14:02,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:14:02,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:14:02,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:14:02,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:14:02,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:14:02,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:14:02,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:14:02,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:14:02,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:14:02,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:14:02,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:14:02,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:14:02,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:14:02,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 13:14:02,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 13:14:02,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 13:14:02,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 13:14:02,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:14:02,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:14:02,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:14:02,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:14:02,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:14:02,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:14:02,516 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:14:02,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:14:02,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:14:02,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:14:02,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:14:02,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:14:02,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:14:02,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:14:02,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:14:02,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:14:02,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:14:02,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:14:02,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:14:02,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:14:02,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:14:02,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:14:02,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:14:02,520 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:14:02,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:14:02,520 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:14:02,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:14:02,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:14:02,524 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:14:02,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:14:02,525 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:14:02,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:14:02,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:14:02,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:14:02,819 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:14:02,820 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:14:02,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl [2021-06-17 13:14:02,828 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl' [2021-06-17 13:14:02,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:14:02,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:14:02,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:14:02,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:14:02,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:14:02,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:14:02,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:14:02,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:14:02,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:14:02,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/1) ... [2021-06-17 13:14:02,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:14:02,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:14:02,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:14:02,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:14:02,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (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 [2021-06-17 13:14:02,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:14:02,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:14:02,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:14:02,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 13:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 13:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 13:14:02,964 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 13:14:03,151 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:14:03,151 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:14:03,153 INFO L202 PluginConnector]: Adding new model lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:14:03 BoogieIcfgContainer [2021-06-17 13:14:03,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:14:03,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:14:03,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:14:03,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:14:03,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:14:02" (1/2) ... [2021-06-17 13:14:03,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9c130f and model type lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:14:03, skipping insertion in model container [2021-06-17 13:14:03,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:14:03" (2/2) ... [2021-06-17 13:14:03,159 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.wvr.bpl [2021-06-17 13:14:03,164 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:14:03,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:14:03,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:14:03,177 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:14:03,242 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 13:14:03,257 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 [2021-06-17 13:14:03,311 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:14:03,312 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:14:03,312 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:14:03,312 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:14:03,312 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:14:03,314 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:14:03,314 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:14:03,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:14:03,560 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:03,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:03,575 INFO L82 PathProgramCache]: Analyzing trace with hash -196922660, now seen corresponding path program 1 times [2021-06-17 13:14:03,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:03,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32836385] [2021-06-17 13:14:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:03,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:03,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32836385] [2021-06-17 13:14:03,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32836385] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:03,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:03,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:14:03,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322689691] [2021-06-17 13:14:03,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:14:03,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:03,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:14:03,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:14:03,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:03,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:03,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-06-17 13:14:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:03,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:14:03,824 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:03,828 INFO L82 PathProgramCache]: Analyzing trace with hash -752647460, now seen corresponding path program 2 times [2021-06-17 13:14:03,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:03,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094874929] [2021-06-17 13:14:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:03,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:03,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094874929] [2021-06-17 13:14:03,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094874929] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:03,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:03,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 13:14:03,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727614599] [2021-06-17 13:14:03,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:14:03,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:03,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:14:03,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:14:03,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:03,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:03,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-06-17 13:14:03,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:03,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:14:04,118 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:04,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:04,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1561199226, now seen corresponding path program 3 times [2021-06-17 13:14:04,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:04,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581957548] [2021-06-17 13:14:04,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:04,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:04,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581957548] [2021-06-17 13:14:04,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581957548] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:04,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:04,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 13:14:04,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451554740] [2021-06-17 13:14:04,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:14:04,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:04,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:14:04,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:14:04,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:04,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-17 13:14:04,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 13:14:04,379 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:04,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:04,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1869066222, now seen corresponding path program 4 times [2021-06-17 13:14:04,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:04,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528337227] [2021-06-17 13:14:04,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:04,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:04,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528337227] [2021-06-17 13:14:04,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528337227] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:04,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:04,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-17 13:14:04,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560479364] [2021-06-17 13:14:04,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 13:14:04,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:04,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 13:14:04,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-17 13:14:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:04,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 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) [2021-06-17 13:14:04,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 13:14:04,675 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:04,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash 58737772, now seen corresponding path program 5 times [2021-06-17 13:14:04,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:04,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071263343] [2021-06-17 13:14:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:04,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:04,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071263343] [2021-06-17 13:14:04,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071263343] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:04,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:04,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 13:14:04,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235236243] [2021-06-17 13:14:04,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:14:04,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:04,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:14:04,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:14:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,789 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:04,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-06-17 13:14:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-17 13:14:04,916 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:04,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1458363488, now seen corresponding path program 6 times [2021-06-17 13:14:04,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:04,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363063118] [2021-06-17 13:14:04,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:04,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:04,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363063118] [2021-06-17 13:14:04,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363063118] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:04,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:04,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:14:04,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258624470] [2021-06-17 13:14:04,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:14:04,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:04,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:14:04,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:14:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:04,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:04,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-06-17 13:14:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:04,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:04,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-17 13:14:05,195 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:14:05,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:14:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1681657202, now seen corresponding path program 7 times [2021-06-17 13:14:05,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:14:05,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903695770] [2021-06-17 13:14:05,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:14:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:14:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:14:05,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:14:05,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903695770] [2021-06-17 13:14:05,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903695770] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:14:05,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:14:05,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 13:14:05,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593094443] [2021-06-17 13:14:05,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:14:05,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:14:05,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:14:05,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:14:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:05,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:14:05,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-17 13:14:05,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:14:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:14:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:14:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:14:05,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-17 13:14:05,551 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 13:14:05,553 INFO L202 PluginConnector]: Adding new model lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 01:14:05 BasicIcfg [2021-06-17 13:14:05,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 13:14:05,554 INFO L168 Benchmark]: Toolchain (without parser) took 2690.97 ms. Allocated memory was 182.5 MB in the beginning and 242.2 MB in the end (delta: 59.8 MB). Free memory was 162.4 MB in the beginning and 180.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:14:05,554 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 182.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 13:14:05,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.41 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 160.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:14:05,554 INFO L168 Benchmark]: Boogie Preprocessor took 12.43 ms. Allocated memory is still 182.5 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 898.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 13:14:05,555 INFO L168 Benchmark]: RCFGBuilder took 253.27 ms. Allocated memory is still 182.5 MB. Free memory was 159.8 MB in the beginning and 147.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 13:14:05,555 INFO L168 Benchmark]: TraceAbstraction took 2398.59 ms. Allocated memory was 182.5 MB in the beginning and 242.2 MB in the end (delta: 59.8 MB). Free memory was 147.1 MB in the beginning and 180.8 MB in the end (delta: -33.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 8.0 GB. [2021-06-17 13:14:05,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 182.5 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.41 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 160.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.43 ms. Allocated memory is still 182.5 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 898.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 253.27 ms. Allocated memory is still 182.5 MB. Free memory was 159.8 MB in the beginning and 147.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2398.59 ms. Allocated memory was 182.5 MB in the beginning and 242.2 MB in the end (delta: 59.8 MB). Free memory was 147.1 MB in the beginning and 180.8 MB in the end (delta: -33.7 MB). Peak memory consumption was 27.2 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: 2612, positive: 2447, positive conditional: 1492, positive unconditional: 955, negative: 165, negative conditional: 130, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2605, positive: 2447, positive conditional: 1492, positive unconditional: 955, negative: 158, negative conditional: 123, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2605, positive: 2447, positive conditional: 0, positive unconditional: 2447, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 542, positive: 520, positive conditional: 0, positive unconditional: 520, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 542, positive: 515, positive conditional: 0, positive unconditional: 515, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2605, positive: 1927, positive conditional: 0, positive unconditional: 1927, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 542, unknown conditional: 0, unknown unconditional: 542] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464 ], Maximal queried relation: 7, Independence queries for same thread: 7 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 445, Number of persistent set computation: 2295, Number of trivial persistent sets: 2020, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2612, positive: 2447, positive conditional: 1492, positive unconditional: 955, negative: 165, negative conditional: 130, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2605, positive: 2447, positive conditional: 1492, positive unconditional: 955, negative: 158, negative conditional: 123, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2605, positive: 2447, positive conditional: 0, positive unconditional: 2447, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 542, positive: 520, positive conditional: 0, positive unconditional: 520, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 542, positive: 515, positive conditional: 0, positive unconditional: 515, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2605, positive: 1927, positive conditional: 0, positive unconditional: 1927, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 542, unknown conditional: 0, unknown unconditional: 542] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464, SemanticConditionEliminator.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 755, negative conditional: 168, negative unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 53, negative conditional: 31, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 217, negative conditional: 90, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 755, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 724, negative conditional: 137, negative unconditional: 587, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 520, Positive conditional cache size: 0, Positive unconditional cache size: 520, Negative cache size: 53, Negative conditional cache size: 31, Negative unconditional cache size: 22, Eliminated conditions: 464 ], Maximal queried relation: 7, Independence queries for same thread: 7 - PositiveResult [Line: 71]: 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, 71 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2278.1ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 1441.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, 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: 20.5ms SsaConstructionTime, 112.4ms SatisfiabilityAnalysisTime, 450.1ms InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...