/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 18:22:53,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 18:22:53,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 18:22:53,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 18:22:53,509 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-Lockstep.epf [2021-07-14 18:22:53,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 18:22:53,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 18:22:53,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 18:22:53,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 18:22:53,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 18:22:53,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 18:22:53,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 18:22:53,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 18:22:53,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 18:22:53,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:22:53,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 18:22:53,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 18:22:53,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 18:22:53,549 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 18:22:53,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 18:22:53,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 18:22:53,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 18:22:53,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 18:22:53,808 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 18:22:53,808 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 18:22:53,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-07-14 18:22:53,809 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-07-14 18:22:53,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 18:22:53,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 18:22:53,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 18:22:53,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 18:22:53,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 18:22:53,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 18:22:53,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 18:22:53,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 18:22:53,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 18:22:53,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... [2021-07-14 18:22:53,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 18:22:53,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 18:22:53,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 18:22:53,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 18:22:53,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:22:53,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 18:22:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 18:22:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 18:22:53,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 18:22:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 18:22:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 18:22:53,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 18:22:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 18:22:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 18:22:53,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 18:22:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 18:22:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 18:22:53,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 18:22:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 18:22:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 18:22:53,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-14 18:22:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-14 18:22:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-14 18:22:53,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-07-14 18:22:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-07-14 18:22:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-07-14 18:22:53,927 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 18:22:54,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 18:22:54,087 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 18:22:54,088 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:22:54 BoogieIcfgContainer [2021-07-14 18:22:54,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 18:22:54,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 18:22:54,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 18:22:54,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 18:22:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:22:53" (1/2) ... [2021-07-14 18:22:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83f545 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:22:54, skipping insertion in model container [2021-07-14 18:22:54,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:22:54" (2/2) ... [2021-07-14 18:22:54,093 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-07-14 18:22:54,097 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 18:22:54,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 18:22:54,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 18:22:54,098 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 18:22:54,192 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-07-14 18:22:54,208 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 18:22:54,257 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 18:22:54,257 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 18:22:54,258 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 18:22:54,258 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 18:22:54,258 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 18:22:54,258 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 18:22:54,258 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 18:22:54,258 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 18:22:54,439 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:22:54,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:22:54,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1074881056, now seen corresponding path program 1 times [2021-07-14 18:22:54,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:22:54,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145173766] [2021-07-14 18:22:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:22:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 18:22:54,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:22:54,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145173766] [2021-07-14 18:22:54,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145173766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:54,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523673661] [2021-07-14 18:22:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:54,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 18:22:54,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:22:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 18:22:54,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523673661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:54,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:22:54,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 18:22:54,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997333830] [2021-07-14 18:22:54,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 18:22:54,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:22:54,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 18:22:54,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 18:22:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:54,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:22:54,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:22:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:55,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 18:22:55,457 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:22:55,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:22:55,458 INFO L82 PathProgramCache]: Analyzing trace with hash 2134791906, now seen corresponding path program 2 times [2021-07-14 18:22:55,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:22:55,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820510591] [2021-07-14 18:22:55,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:22:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 18:22:55,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:22:55,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820510591] [2021-07-14 18:22:55,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820510591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:55,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023798187] [2021-07-14 18:22:55,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:55,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:22:55,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:22:55,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 18:22:55,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:22:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 18:22:55,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023798187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:55,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:22:55,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-07-14 18:22:55,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575604972] [2021-07-14 18:22:55,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 18:22:55,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:22:55,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 18:22:55,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-07-14 18:22:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:55,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:22:55,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:22:55,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:55,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:56,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:56,409 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:22:56,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:22:56,410 INFO L82 PathProgramCache]: Analyzing trace with hash -88034592, now seen corresponding path program 3 times [2021-07-14 18:22:56,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:22:56,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856332828] [2021-07-14 18:22:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:22:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 18:22:56,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:22:56,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856332828] [2021-07-14 18:22:56,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856332828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:56,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482302283] [2021-07-14 18:22:56,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:56,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 18:22:56,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:22:56,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 18:22:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:22:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 18:22:56,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482302283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:56,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:22:56,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2021-07-14 18:22:56,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325296343] [2021-07-14 18:22:56,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 18:22:56,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:22:56,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 18:22:56,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-07-14 18:22:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:56,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:22:56,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:22:56,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:56,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:56,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:22:57,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:57,601 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:22:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:22:57,602 INFO L82 PathProgramCache]: Analyzing trace with hash 318178540, now seen corresponding path program 4 times [2021-07-14 18:22:57,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:22:57,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757994172] [2021-07-14 18:22:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:22:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 18:22:57,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:22:57,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757994172] [2021-07-14 18:22:57,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757994172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:57,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325996063] [2021-07-14 18:22:57,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:57,722 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:22:57,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:22:57,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 18:22:57,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:22:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 18:22:57,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325996063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:57,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:22:57,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2021-07-14 18:22:57,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512885943] [2021-07-14 18:22:57,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 18:22:57,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:22:57,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 18:22:57,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-07-14 18:22:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:57,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:22:57,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 15 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:22:57,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:57,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:57,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:22:57,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:22:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:22:59,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:59,016 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:22:59,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:22:59,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1769049194, now seen corresponding path program 5 times [2021-07-14 18:22:59,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:22:59,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856355171] [2021-07-14 18:22:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:22:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:22:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 18:22:59,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:22:59,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856355171] [2021-07-14 18:22:59,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856355171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:59,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231256910] [2021-07-14 18:22:59,119 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:22:59,165 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 18:22:59,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:22:59,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 18:22:59,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:22:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-14 18:22:59,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231256910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:22:59,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:22:59,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-07-14 18:22:59,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773553321] [2021-07-14 18:22:59,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 18:22:59,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:22:59,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 18:22:59,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-07-14 18:22:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:22:59,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:22:59,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.631578947368421) internal successors, (107), 18 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:22:59,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:22:59,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:22:59,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:22:59,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:22:59,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:23:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:23:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:23:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:23:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:23:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 18:23:02,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:23:02,125 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:23:02,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:23:02,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1910336948, now seen corresponding path program 6 times [2021-07-14 18:23:02,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:23:02,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507279144] [2021-07-14 18:23:02,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:23:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:23:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 18:23:02,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:23:02,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507279144] [2021-07-14 18:23:02,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507279144] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:23:02,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120560538] [2021-07-14 18:23:02,214 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:23:02,256 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 18:23:02,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:23:02,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 18:23:02,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:23:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 18:23:02,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120560538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:23:02,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:23:02,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-07-14 18:23:02,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685656277] [2021-07-14 18:23:02,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 18:23:02,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:23:02,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 18:23:02,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-07-14 18:23:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:23:02,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:23:02,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.4375) internal successors, (87), 15 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 18:23:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 18:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 18:23:05,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:23:05,162 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-07-14 18:23:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:23:05,163 INFO L82 PathProgramCache]: Analyzing trace with hash -933759694, now seen corresponding path program 7 times [2021-07-14 18:23:05,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:23:05,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84155533] [2021-07-14 18:23:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:23:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:23:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:23:05,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:23:05,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84155533] [2021-07-14 18:23:05,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84155533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:23:05,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448469559] [2021-07-14 18:23:05,503 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:23:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:23:05,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 18:23:05,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-07-14 18:36:28,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 18:36:28,993 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 18:36:28,999 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 18:36:29,000 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 18:36:29,000 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 06:36:29 BasicIcfg [2021-07-14 18:36:29,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 18:36:29,001 INFO L168 Benchmark]: Toolchain (without parser) took 815172.99 ms. Allocated memory was 198.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 178.5 MB in the beginning and 147.4 MB in the end (delta: 31.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 198.2 MB. Free memory is still 179.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 198.2 MB. Free memory was 178.4 MB in the beginning and 177.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 INFO L168 Benchmark]: Boogie Preprocessor took 11.50 ms. Allocated memory is still 198.2 MB. Free memory was 177.0 MB in the beginning and 175.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 INFO L168 Benchmark]: RCFGBuilder took 229.11 ms. Allocated memory is still 198.2 MB. Free memory was 175.8 MB in the beginning and 162.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 INFO L168 Benchmark]: TraceAbstraction took 814910.79 ms. Allocated memory was 198.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 162.4 MB in the beginning and 147.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2021-07-14 18:36:29,001 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 0.15 ms. Allocated memory is still 198.2 MB. Free memory is still 179.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 198.2 MB. Free memory was 178.4 MB in the beginning and 177.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.50 ms. Allocated memory is still 198.2 MB. Free memory was 177.0 MB in the beginning and 175.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 229.11 ms. Allocated memory is still 198.2 MB. Free memory was 175.8 MB in the beginning and 162.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 814910.79 ms. Allocated memory was 198.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 162.4 MB in the beginning and 147.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 218985, positive: 208703, positive conditional: 206404, positive unconditional: 2299, negative: 10282, negative conditional: 10282, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 208703, positive: 208703, positive conditional: 206404, positive unconditional: 2299, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 208703, positive: 208703, positive conditional: 0, positive unconditional: 208703, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1410, positive: 1410, positive conditional: 0, positive unconditional: 1410, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1410, positive: 1410, positive conditional: 0, positive unconditional: 1410, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 208703, positive: 207293, positive conditional: 0, positive unconditional: 207293, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1410, unknown conditional: 0, unknown unconditional: 1410] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 10282 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 146, Number of persistent set computation: 411, Number of trivial persistent sets: 56, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 218985, positive: 208703, positive conditional: 206404, positive unconditional: 2299, negative: 10282, negative conditional: 10282, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 208703, positive: 208703, positive conditional: 206404, positive unconditional: 2299, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 208703, positive: 208703, positive conditional: 0, positive unconditional: 208703, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1410, positive: 1410, positive conditional: 0, positive unconditional: 1410, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1410, positive: 1410, positive conditional: 0, positive unconditional: 1410, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 208703, positive: 207293, positive conditional: 0, positive unconditional: 207293, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1410, unknown conditional: 0, unknown unconditional: 1410] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1410, Positive conditional cache size: 0, Positive unconditional cache size: 1410, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 10282 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 68 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 485 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 72 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 814765.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 7218.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 178, 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: 73.2ms SsaConstructionTime, 296.4ms SatisfiabilityAnalysisTime, 1771.3ms InterpolantComputationTime, 700 NumberOfCodeBlocks, 700 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 688 ConstructedInterpolants, 0 QuantifiedInterpolants, 3436 SizeOfPredicates, 18 NumberOfNonLiveVariables, 936 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 343/596 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown