/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 22:07:19,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 22:07:19,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 22:07:19,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 22:07:19,831 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 22:07:19,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 22:07:19,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 22:07:19,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 22:07:19,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 22:07:19,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 22:07:19,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 22:07:19,860 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 22:07:19,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 22:07:19,860 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 22:07:19,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 22:07:19,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 22:07:19,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 22:07:19,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 22:07:19,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 22:07:19,863 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 22:07:19,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 22:07:20,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 22:07:20,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 22:07:20,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 22:07:20,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 22:07:20,115 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 22:07:20,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-06-13 22:07:20,115 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-06-13 22:07:20,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 22:07:20,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 22:07:20,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 22:07:20,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 22:07:20,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 22:07:20,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 22:07:20,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 22:07:20,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 22:07:20,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 22:07:20,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/1) ... [2021-06-13 22:07:20,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 22:07:20,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 22:07:20,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 22:07:20,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 22:07:20,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (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 [2021-06-13 22:07:20,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 22:07:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 22:07:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 22:07:20,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 22:07:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 22:07:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 22:07:20,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 22:07:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 22:07:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 22:07:20,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 22:07:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 22:07:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 22:07:20,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-13 22:07:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-13 22:07:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-13 22:07:20,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-13 22:07:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-13 22:07:20,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-13 22:07:20,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-13 22:07:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-13 22:07:20,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-13 22:07:20,251 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 22:07:20,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 22:07:20,438 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 22:07:20,439 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:07:20 BoogieIcfgContainer [2021-06-13 22:07:20,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 22:07:20,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 22:07:20,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 22:07:20,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 22:07:20,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 10:07:20" (1/2) ... [2021-06-13 22:07:20,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd37048 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 10:07:20, skipping insertion in model container [2021-06-13 22:07:20,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 10:07:20" (2/2) ... [2021-06-13 22:07:20,444 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-06-13 22:07:20,448 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 22:07:20,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 22:07:20,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 22:07:20,449 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 22:07:20,514 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-13 22:07:20,528 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 [2021-06-13 22:07:20,595 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 22:07:20,595 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 22:07:20,596 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 22:07:20,596 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 22:07:20,596 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 22:07:20,596 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 22:07:20,596 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 22:07:20,596 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 22:07:21,240 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]=== [2021-06-13 22:07:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:21,244 INFO L82 PathProgramCache]: Analyzing trace with hash -547773212, now seen corresponding path program 1 times [2021-06-13 22:07:21,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:21,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56656353] [2021-06-13 22:07:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 201 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-13 22:07:21,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:21,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56656353] [2021-06-13 22:07:21,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56656353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:21,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677873117] [2021-06-13 22:07:21,564 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 [2021-06-13 22:07:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:21,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 22:07:21,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 113 proven. 20 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-06-13 22:07:21,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677873117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:21,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:21,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-06-13 22:07:21,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945223503] [2021-06-13 22:07:21,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 22:07:21,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:21,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 22:07:21,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2021-06-13 22:07:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:21,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:21,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 8.0625) internal successors, (129), 15 states have internal predecessors, (129), 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) [2021-06-13 22:07:21,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:23,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:07:23,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 22:07:23,673 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]=== [2021-06-13 22:07:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:23,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1260258150, now seen corresponding path program 2 times [2021-06-13 22:07:23,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:23,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158970891] [2021-06-13 22:07:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 132 proven. 20 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-06-13 22:07:23,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:23,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158970891] [2021-06-13 22:07:23,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158970891] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:23,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628746100] [2021-06-13 22:07:23,762 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 [2021-06-13 22:07:23,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 22:07:23,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:07:23,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 22:07:23,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 112 proven. 20 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-06-13 22:07:24,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628746100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:24,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:24,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-06-13 22:07:24,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543606846] [2021-06-13 22:07:24,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 22:07:24,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:24,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 22:07:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-06-13 22:07:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:24,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:24,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 14 states have internal predecessors, (104), 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) [2021-06-13 22:07:24,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 22:07:24,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:26,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:07:26,773 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]=== [2021-06-13 22:07:26,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:26,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1586112126, now seen corresponding path program 3 times [2021-06-13 22:07:26,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:26,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036040501] [2021-06-13 22:07:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 130 proven. 187 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-13 22:07:26,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:26,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036040501] [2021-06-13 22:07:26,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036040501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:26,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99710599] [2021-06-13 22:07:26,910 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 [2021-06-13 22:07:26,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-13 22:07:26,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:07:26,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-13 22:07:26,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 226 proven. 93 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-13 22:07:28,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99710599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:28,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:28,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 28 [2021-06-13 22:07:28,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009052490] [2021-06-13 22:07:28,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 22:07:28,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:28,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 22:07:28,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2021-06-13 22:07:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:28,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:28,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.517241379310345) internal successors, (189), 28 states have internal predecessors, (189), 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) [2021-06-13 22:07:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-13 22:07:33,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:07:33,369 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]=== [2021-06-13 22:07:33,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:33,374 INFO L82 PathProgramCache]: Analyzing trace with hash 460353252, now seen corresponding path program 4 times [2021-06-13 22:07:33,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:33,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964142201] [2021-06-13 22:07:33,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 571 proven. 277 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-13 22:07:33,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:33,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964142201] [2021-06-13 22:07:33,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964142201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:33,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679500686] [2021-06-13 22:07:33,681 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 [2021-06-13 22:07:33,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 22:07:33,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:07:33,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-13 22:07:33,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 712 proven. 73 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-06-13 22:07:35,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679500686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:35,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:35,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 44 [2021-06-13 22:07:35,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837526369] [2021-06-13 22:07:35,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-13 22:07:35,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:35,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-13 22:07:35,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1747, Unknown=0, NotChecked=0, Total=1980 [2021-06-13 22:07:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:35,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:35,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 5.911111111111111) internal successors, (266), 44 states have internal predecessors, (266), 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) [2021-06-13 22:07:35,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:35,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:35,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-13 22:07:35,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-13 22:07:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-13 22:07:43,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:07:43,507 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]=== [2021-06-13 22:07:43,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:43,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1519933128, now seen corresponding path program 5 times [2021-06-13 22:07:43,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:43,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322453150] [2021-06-13 22:07:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 66 proven. 132 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-06-13 22:07:43,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:43,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322453150] [2021-06-13 22:07:43,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322453150] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:43,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368380562] [2021-06-13 22:07:43,611 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 [2021-06-13 22:07:43,700 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-13 22:07:43,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:07:43,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-13 22:07:43,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 649 proven. 132 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-13 22:07:45,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368380562] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:45,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:45,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 25] total 27 [2021-06-13 22:07:45,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270577271] [2021-06-13 22:07:45,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-13 22:07:45,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:45,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-13 22:07:45,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2021-06-13 22:07:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:45,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:45,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 5.892857142857143) internal successors, (165), 27 states have internal predecessors, (165), 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) [2021-06-13 22:07:45,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:45,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:45,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-13 22:07:45,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-13 22:07:45,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-13 22:07:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-13 22:07:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-13 22:07:53,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:07:53,997 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]=== [2021-06-13 22:07:53,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:07:53,998 INFO L82 PathProgramCache]: Analyzing trace with hash 366024396, now seen corresponding path program 6 times [2021-06-13 22:07:53,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:07:53,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298238218] [2021-06-13 22:07:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:07:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:07:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 37 proven. 70 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2021-06-13 22:07:54,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:07:54,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298238218] [2021-06-13 22:07:54,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298238218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:54,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691228039] [2021-06-13 22:07:54,162 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 [2021-06-13 22:07:54,249 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-06-13 22:07:54,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 22:07:54,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-13 22:07:54,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:07:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 1370 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 22:07:58,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691228039] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:07:58,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 22:07:58,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 39] total 42 [2021-06-13 22:07:58,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915226043] [2021-06-13 22:07:58,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-13 22:07:58,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 22:07:58,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-13 22:07:58,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1414, Unknown=0, NotChecked=0, Total=1806 [2021-06-13 22:07:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:07:58,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 22:07:58,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 5.534883720930233) internal successors, (238), 42 states have internal predecessors, (238), 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) [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-13 22:07:58,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 22:08:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 22:08:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 22:08:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-13 22:08:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-13 22:08:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-13 22:08:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-06-13 22:08:10,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 22:08:10,696 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]=== [2021-06-13 22:08:10,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 22:08:10,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1660002934, now seen corresponding path program 7 times [2021-06-13 22:08:10,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 22:08:10,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741487488] [2021-06-13 22:08:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 22:08:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:08:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 1690 trivial. 0 not checked. [2021-06-13 22:08:11,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 22:08:11,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741487488] [2021-06-13 22:08:11,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741487488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 22:08:11,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326558556] [2021-06-13 22:08:11,485 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 [2021-06-13 22:08:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 22:08:11,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 235 conjunts are in the unsatisfiable core [2021-06-13 22:08:11,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 22:08:14,483 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-06-13 22:08:14,873 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-13 22:08:15,507 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-06-13 22:08:16,361 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-13 22:08:17,035 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-13 22:08:17,819 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-13 22:08:18,527 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-06-13 22:08:19,588 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-13 22:08:20,576 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-13 22:08:21,722 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-13 22:08:23,269 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-13 22:08:24,716 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-13 22:08:26,647 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-06-13 22:08:28,499 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-13 22:08:30,859 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-13 22:08:33,769 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2021-06-13 22:08:38,344 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-13 22:08:45,995 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-06-13 22:08:50,511 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-13 22:08:58,594 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-06-13 22:09:07,863 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-06-13 22:09:16,417 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-13 22:09:27,204 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-13 22:09:33,967 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-06-13 22:09:43,161 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-13 22:09:53,496 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-06-13 22:10:05,168 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-13 22:10:17,698 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-13 22:10:32,278 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-13 22:10:50,887 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2021-06-13 22:11:12,504 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-13 22:11:37,898 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-06-13 22:12:01,354 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2021-06-13 22:12:21,047 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2021-06-13 22:12:50,448 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-06-13 22:13:17,155 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 297 [2021-06-13 22:13:52,944 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-06-13 22:14:20,103 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-06-13 22:14:30,378 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 314 [2021-06-13 22:14:40,169 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 321 [2021-06-13 22:14:43,554 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-06-13 22:14:53,415 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-13 22:14:59,188 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-13 22:15:07,190 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 348 [2021-06-13 22:15:15,164 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-06-13 22:15:19,703 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2021-06-13 22:15:33,193 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-13 22:15:41,973 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-06-13 22:15:53,242 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-13 22:16:02,251 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 369 [2021-06-13 22:16:14,721 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-13 22:16:23,136 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2021-06-13 22:16:31,303 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-13 22:16:45,509 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-13 22:16:52,701 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 401 [2021-06-13 22:17:05,769 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 407 [2021-06-13 22:17:23,257 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2021-06-13 22:17:38,587 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 413 [2021-06-13 22:17:56,281 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 419 [2021-06-13 22:18:11,639 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 422 [2021-06-13 22:18:25,150 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-13 22:18:38,131 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 431 [2021-06-13 22:19:02,742 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 438 [2021-06-13 22:19:23,298 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-13 22:19:39,219 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 444 [2021-06-13 22:19:55,189 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 453 [2021-06-13 22:20:12,083 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-13 22:20:30,627 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 459 [2021-06-13 22:20:40,692 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 462 [2021-06-13 22:21:06,003 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification that was a NOOP. DAG size: 465 [2021-06-13 22:21:15,746 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 472 [2021-06-13 22:21:30,824 WARN L205 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 478 [2021-06-13 22:21:50,193 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification that was a NOOP. DAG size: 485 Received shutdown request... [2021-06-13 22:21:57,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 22:21:57,046 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 22:21:57,050 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 22:21:57,051 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 22:21:57,051 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 10:21:57 BasicIcfg [2021-06-13 22:21:57,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 22:21:57,051 INFO L168 Benchmark]: Toolchain (without parser) took 876919.84 ms. Allocated memory was 173.0 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 153.3 MB in the beginning and 895.8 MB in the end (delta: -742.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 173.0 MB. Free memory is still 154.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 173.0 MB. Free memory was 153.1 MB in the beginning and 151.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 INFO L168 Benchmark]: Boogie Preprocessor took 19.23 ms. Allocated memory is still 173.0 MB. Free memory was 151.6 MB in the beginning and 150.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 INFO L168 Benchmark]: RCFGBuilder took 254.86 ms. Allocated memory is still 173.0 MB. Free memory was 150.6 MB in the beginning and 137.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 INFO L168 Benchmark]: TraceAbstraction took 876610.72 ms. Allocated memory was 173.0 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 137.4 MB in the beginning and 895.8 MB in the end (delta: -758.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-06-13 22:21:57,052 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 173.0 MB. Free memory is still 154.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 173.0 MB. Free memory was 153.1 MB in the beginning and 151.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.23 ms. Allocated memory is still 173.0 MB. Free memory was 151.6 MB in the beginning and 150.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 254.86 ms. Allocated memory is still 173.0 MB. Free memory was 150.6 MB in the beginning and 137.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 876610.72 ms. Allocated memory was 173.0 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 137.4 MB in the beginning and 895.8 MB in the end (delta: -758.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5485682, positive: 5229881, positive conditional: 5229881, positive unconditional: 0, negative: 255801, negative conditional: 255801, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5229881, positive: 5229881, positive conditional: 5229881, positive unconditional: 0, 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: 5229881, positive: 5229881, positive conditional: 0, positive unconditional: 5229881, 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: 638, positive: 638, positive conditional: 0, positive unconditional: 638, 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: 638, positive: 638, positive conditional: 0, positive unconditional: 638, 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: 5229881, positive: 5229243, positive conditional: 0, positive unconditional: 5229243, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 638, unknown conditional: 0, unknown unconditional: 638] , Statistics on independence cache: Total cache size (in pairs): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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): 638, Positive cache size: 638, Positive conditional cache size: 0, Positive unconditional cache size: 638, 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: 255801 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 256 with TraceHistMax 21,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 104 known predicates. - 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: 876488.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 38320.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 297, 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: 91.3ms SsaConstructionTime, 521.1ms SatisfiabilityAnalysisTime, 9611.3ms InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1663 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1660 ConstructedInterpolants, 0 QuantifiedInterpolants, 20318 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 6520/7798 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