/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 23:11:50,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 23:11:50,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 23:11:50,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 23:11:50,698 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-MCRwithDepranks-Lazy.epf [2022-02-09 23:11:50,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 23:11:50,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 23:11:50,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 23:11:50,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 23:11:50,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 23:11:50,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 23:11:50,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 23:11:50,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 23:11:50,724 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 23:11:50,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 23:11:50,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 23:11:50,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 23:11:50,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 23:11:50,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 23:11:50,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:11:50,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 23:11:50,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 23:11:50,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 23:11:50,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 23:11:50,728 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 23:11:50,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 23:11:50,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 23:11:50,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 23:11:50,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 23:11:50,950 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 23:11:50,951 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 23:11:50,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl [2022-02-09 23:11:50,953 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl' [2022-02-09 23:11:50,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 23:11:50,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 23:11:50,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 23:11:50,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 23:11:50,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 23:11:50,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,989 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 23:11:50,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 23:11:50,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 23:11:50,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 23:11:50,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 23:11:50,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:50,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:51,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:51,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:51,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 23:11:51,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 23:11:51,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 23:11:51,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 23:11:51,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/1) ... [2022-02-09 23:11:51,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:11:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:11:51,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 23:11:51,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 23:11:51,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 23:11:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 23:11:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 23:11:51,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 23:11:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 23:11:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 23:11:51,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 23:11:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 23:11:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 23:11:51,052 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 23:11:51,082 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 23:11:51,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 23:11:51,147 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 23:11:51,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 23:11:51,152 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 23:11:51,154 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:11:51 BoogieIcfgContainer [2022-02-09 23:11:51,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 23:11:51,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 23:11:51,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 23:11:51,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 23:11:51,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:50" (1/2) ... [2022-02-09 23:11:51,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22af7054 and model type loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:11:51, skipping insertion in model container [2022-02-09 23:11:51,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:11:51" (2/2) ... [2022-02-09 23:11:51,159 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-lockstep-example.bpl [2022-02-09 23:11:51,162 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 23:11:51,163 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 23:11:51,163 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 23:11:51,163 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 23:11:51,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,208 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,208 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,208 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,215 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 23:11:51,218 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 23:11:51,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 23:11:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:11:51,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 23:11:51,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 23:11:51,362 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 23:11:51,367 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 23:11:51,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 23:11:51,467 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 397 transitions and produced 376 states. [2022-02-09 23:11:51,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:11:51,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:11:51,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1018363339, now seen corresponding path program 1 times [2022-02-09 23:11:51,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:11:51,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089695051] [2022-02-09 23:11:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:11:51,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:11:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:11:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 1119 proven. 874 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 23:11:52,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:11:52,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089695051] [2022-02-09 23:11:52,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089695051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:11:52,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465846521] [2022-02-09 23:11:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:11:52,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:11:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:11:52,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:11:52,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 23:11:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:11:52,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 23:11:52,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:11:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 1069 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:11:53,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:11:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 1119 proven. 874 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 23:11:54,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465846521] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:11:54,405 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:11:54,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 35, 29] total 82 [2022-02-09 23:11:54,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753011512] [2022-02-09 23:11:54,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:11:54,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-02-09 23:11:54,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:11:54,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-02-09 23:11:54,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1848, Invalid=4794, Unknown=0, NotChecked=0, Total=6642 [2022-02-09 23:11:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:11:54,430 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:11:54,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 5.646341463414634) internal successors, (463), 82 states have internal predecessors, (463), 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) [2022-02-09 23:11:54,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:11:56,916 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 816 transitions and produced 709 states. [2022-02-09 23:11:56,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:11:56,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 23:11:57,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 23:11:57,132 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:11:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:11:57,132 INFO L85 PathProgramCache]: Analyzing trace with hash -427051351, now seen corresponding path program 2 times [2022-02-09 23:11:57,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:11:57,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302327756] [2022-02-09 23:11:57,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:11:57,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:11:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:11:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 1964 proven. 2047 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:11:58,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:11:58,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302327756] [2022-02-09 23:11:58,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302327756] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:11:58,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403412623] [2022-02-09 23:11:58,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 23:11:58,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:11:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:11:58,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:11:58,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 23:11:58,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 23:11:58,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:11:58,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-09 23:11:58,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:12:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 1819 proven. 2027 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-02-09 23:12:00,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:12:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 1819 proven. 2027 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-02-09 23:12:01,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403412623] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:12:01,373 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:12:01,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 57, 57] total 115 [2022-02-09 23:12:01,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600003135] [2022-02-09 23:12:01,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:12:01,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-02-09 23:12:01,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:12:01,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-02-09 23:12:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2295, Invalid=10815, Unknown=0, NotChecked=0, Total=13110 [2022-02-09 23:12:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:01,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:12:01,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.165217391304348) internal successors, (479), 115 states have internal predecessors, (479), 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) [2022-02-09 23:12:01,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:01,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:01,518 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 637 transitions and produced 628 states. [2022-02-09 23:12:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:01,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 23:12:01,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:01,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:12:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:12:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1145750523, now seen corresponding path program 3 times [2022-02-09 23:12:01,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:12:01,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058196343] [2022-02-09 23:12:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:12:01,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:12:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:12:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4168 backedges. 1964 proven. 2204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:02,970 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:12:02,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058196343] [2022-02-09 23:12:02,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058196343] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:12:02,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193890100] [2022-02-09 23:12:02,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 23:12:02,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:02,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:12:02,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:12:02,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 23:12:03,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 37 check-sat command(s) [2022-02-09 23:12:03,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:12:03,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 67 conjunts are in the unsatisfiable core [2022-02-09 23:12:03,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:12:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4168 backedges. 1964 proven. 2204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:05,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:12:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4168 backedges. 1964 proven. 2204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:07,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193890100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:12:07,177 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:12:07,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68, 68] total 152 [2022-02-09 23:12:07,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227061838] [2022-02-09 23:12:07,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:12:07,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2022-02-09 23:12:07,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:12:07,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2022-02-09 23:12:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4276, Invalid=18676, Unknown=0, NotChecked=0, Total=22952 [2022-02-09 23:12:07,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:07,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:12:07,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 4.256578947368421) internal successors, (647), 152 states have internal predecessors, (647), 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) [2022-02-09 23:12:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:07,474 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 754 transitions and produced 745 states. [2022-02-09 23:12:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:07,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 23:12:07,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:07,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:12:07,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:12:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2100929727, now seen corresponding path program 4 times [2022-02-09 23:12:07,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:12:07,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216303544] [2022-02-09 23:12:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:12:07,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:12:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:12:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5851 backedges. 1964 proven. 3887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:09,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:12:09,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216303544] [2022-02-09 23:12:09,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216303544] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:12:09,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992726028] [2022-02-09 23:12:09,083 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 23:12:09,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:12:09,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:12:09,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 23:12:09,186 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 23:12:09,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:12:09,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 76 conjunts are in the unsatisfiable core [2022-02-09 23:12:09,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:12:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5851 backedges. 1964 proven. 3887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:12,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:12:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5851 backedges. 1964 proven. 3887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:12,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992726028] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:12:12,709 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:12:12,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 135 [2022-02-09 23:12:12,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093198666] [2022-02-09 23:12:12,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:12:12,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-09 23:12:12,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:12:12,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-09 23:12:12,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3090, Invalid=15000, Unknown=0, NotChecked=0, Total=18090 [2022-02-09 23:12:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:12,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:12:12,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.2) internal successors, (567), 135 states have internal predecessors, (567), 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) [2022-02-09 23:12:12,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:12,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:12,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:12,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:13,055 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 767 transitions and produced 758 states. [2022-02-09 23:12:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:12:13,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-09 23:12:13,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:13,269 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:12:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:12:13,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1424486755, now seen corresponding path program 5 times [2022-02-09 23:12:13,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:12:13,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791863142] [2022-02-09 23:12:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:12:13,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:12:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:12:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6068 backedges. 0 proven. 6062 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:12:20,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:12:20,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791863142] [2022-02-09 23:12:20,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791863142] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:12:20,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332003193] [2022-02-09 23:12:20,245 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 23:12:20,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:20,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:12:20,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:12:20,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 23:12:20,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 38 check-sat command(s) [2022-02-09 23:12:20,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:12:20,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 373 conjunts are in the unsatisfiable core [2022-02-09 23:12:20,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:12:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6068 backedges. 0 proven. 6062 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:12:21,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:12:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6068 backedges. 0 proven. 6062 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:12:22,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332003193] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:12:22,448 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:12:22,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 145, 145] total 145 [2022-02-09 23:12:22,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73824830] [2022-02-09 23:12:22,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:12:22,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2022-02-09 23:12:22,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:12:22,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2022-02-09 23:12:22,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2022-02-09 23:12:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:22,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:12:22,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 146 states have (on average 2.3219178082191783) internal successors, (339), 146 states have internal predecessors, (339), 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) [2022-02-09 23:12:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:12:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:28,360 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1025 transitions and produced 1016 states. [2022-02-09 23:12:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:12:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:12:28,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 23:12:28,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:28,564 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:12:28,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:12:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1007278623, now seen corresponding path program 6 times [2022-02-09 23:12:28,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:12:28,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280490413] [2022-02-09 23:12:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:12:28,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:12:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:12:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11668 backedges. 5059 proven. 6609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:30,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:12:30,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280490413] [2022-02-09 23:12:30,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280490413] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:12:30,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480288910] [2022-02-09 23:12:30,736 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 23:12:30,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:12:30,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:12:30,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 23:12:30,883 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 58 check-sat command(s) [2022-02-09 23:12:30,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:12:30,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 97 conjunts are in the unsatisfiable core [2022-02-09 23:12:30,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:12:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11668 backedges. 9296 proven. 2372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:34,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:12:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11668 backedges. 5059 proven. 6609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:12:36,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480288910] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:12:36,974 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:12:36,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 98, 98] total 213 [2022-02-09 23:12:36,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894067030] [2022-02-09 23:12:36,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:12:36,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 213 states [2022-02-09 23:12:36,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:12:36,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2022-02-09 23:12:36,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8442, Invalid=36714, Unknown=0, NotChecked=0, Total=45156 [2022-02-09 23:12:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:36,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:12:36,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 213 states, 213 states have (on average 4.676056338028169) internal successors, (996), 213 states have internal predecessors, (996), 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) [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:12:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:12:44,907 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1373 transitions and produced 1239 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:12:44,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 23:12:45,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:12:45,110 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:12:45,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:12:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash 536674253, now seen corresponding path program 7 times [2022-02-09 23:12:45,111 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:12:45,111 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402930976] [2022-02-09 23:12:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:12:45,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:12:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:13:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14478 backedges. 0 proven. 14472 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:13:00,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:13:00,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402930976] [2022-02-09 23:13:00,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402930976] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:13:00,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827021463] [2022-02-09 23:13:00,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 23:13:00,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:13:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:13:00,907 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:13:00,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 23:13:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:13:01,045 WARN L261 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 573 conjunts are in the unsatisfiable core [2022-02-09 23:13:01,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:13:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14478 backedges. 0 proven. 14472 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:13:02,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:13:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14478 backedges. 0 proven. 14472 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:13:04,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827021463] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:13:04,079 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:13:04,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [225, 225, 225] total 225 [2022-02-09 23:13:04,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104919782] [2022-02-09 23:13:04,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:13:04,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2022-02-09 23:13:04,080 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:13:04,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2022-02-09 23:13:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=50851, Unknown=0, NotChecked=0, Total=51302 [2022-02-09 23:13:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:13:04,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:13:04,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 226 states have (on average 2.2964601769911503) internal successors, (519), 226 states have internal predecessors, (519), 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) [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:13:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:13:17,877 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1421 transitions and produced 1393 states. [2022-02-09 23:13:17,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:13:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:13:17,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 23:13:18,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-09 23:13:18,079 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:13:18,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:13:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -734462897, now seen corresponding path program 8 times [2022-02-09 23:13:18,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:13:18,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400695660] [2022-02-09 23:13:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:13:18,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:13:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:13:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 22478 backedges. 10659 proven. 11819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:13:22,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:13:22,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400695660] [2022-02-09 23:13:22,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400695660] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:13:22,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745773334] [2022-02-09 23:13:22,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 23:13:22,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:13:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:13:22,208 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:13:22,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 23:13:22,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 23:13:22,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:13:22,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 137 conjunts are in the unsatisfiable core [2022-02-09 23:13:22,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:13:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22478 backedges. 17176 proven. 5302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:13:27,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:13:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 22478 backedges. 10659 proven. 11819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:13:31,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745773334] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:13:31,366 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:13:31,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138, 138] total 273 [2022-02-09 23:13:31,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142196686] [2022-02-09 23:13:31,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:13:31,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-02-09 23:13:31,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:13:31,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-02-09 23:13:31,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13922, Invalid=60334, Unknown=0, NotChecked=0, Total=74256 [2022-02-09 23:13:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:13:31,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:13:31,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 4.527472527472527) internal successors, (1236), 273 states have internal predecessors, (1236), 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) [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:13:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:13:44,215 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1773 transitions and produced 1620 states. [2022-02-09 23:13:44,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:13:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:13:44,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 23:13:44,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:13:44,417 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:13:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:13:44,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1336430845, now seen corresponding path program 9 times [2022-02-09 23:13:44,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:13:44,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051252326] [2022-02-09 23:13:44,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:13:44,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:13:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:14:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 26488 backedges. 0 proven. 26482 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:14:12,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:14:12,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051252326] [2022-02-09 23:14:12,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051252326] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:14:12,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306082548] [2022-02-09 23:14:12,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 23:14:12,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:14:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:14:12,811 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:14:12,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 23:14:13,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 78 check-sat command(s) [2022-02-09 23:14:13,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:14:13,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 773 conjunts are in the unsatisfiable core [2022-02-09 23:14:13,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:14:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 26488 backedges. 0 proven. 26482 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:14:15,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:14:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 26488 backedges. 0 proven. 26482 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:14:17,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306082548] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:14:17,125 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:14:17,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [305, 305, 305] total 305 [2022-02-09 23:14:17,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841094351] [2022-02-09 23:14:17,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:14:17,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2022-02-09 23:14:17,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:14:17,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2022-02-09 23:14:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=611, Invalid=93331, Unknown=0, NotChecked=0, Total=93942 [2022-02-09 23:14:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:14:17,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:14:17,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 307 states, 306 states have (on average 2.284313725490196) internal successors, (699), 306 states have internal predecessors, (699), 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) [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:14:17,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:14:42,628 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1821 transitions and produced 1774 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:14:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:14:42,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 23:14:42,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 23:14:42,830 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:14:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:14:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1414594945, now seen corresponding path program 10 times [2022-02-09 23:14:42,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:14:42,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817196767] [2022-02-09 23:14:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:14:42,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:14:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:14:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 36888 backedges. 18659 proven. 18229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:14:49,826 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:14:49,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817196767] [2022-02-09 23:14:49,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817196767] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:14:49,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240205915] [2022-02-09 23:14:49,827 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 23:14:49,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:14:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:14:49,828 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:14:49,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 23:14:50,013 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 23:14:50,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:14:50,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 177 conjunts are in the unsatisfiable core [2022-02-09 23:14:50,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:14:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36888 backedges. 27456 proven. 9432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:14:57,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:15:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 36888 backedges. 18659 proven. 18229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:15:02,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240205915] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:15:02,324 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:15:02,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [178, 178, 178] total 333 [2022-02-09 23:15:02,325 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996204405] [2022-02-09 23:15:02,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:15:02,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 333 states [2022-02-09 23:15:02,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:15:02,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 333 interpolants. [2022-02-09 23:15:02,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21002, Invalid=89554, Unknown=0, NotChecked=0, Total=110556 [2022-02-09 23:15:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:15:02,337 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:15:02,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 333 states, 333 states have (on average 4.4324324324324325) internal successors, (1476), 333 states have internal predecessors, (1476), 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) [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:15:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:15:21,189 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2173 transitions and produced 2001 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:15:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:15:21,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 23:15:21,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 23:15:21,391 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:15:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:15:21,392 INFO L85 PathProgramCache]: Analyzing trace with hash 234226221, now seen corresponding path program 11 times [2022-02-09 23:15:21,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:15:21,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478745111] [2022-02-09 23:15:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:15:21,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:15:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:16:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42098 backedges. 0 proven. 42092 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:16:06,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:16:06,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478745111] [2022-02-09 23:16:06,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478745111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:16:06,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652598257] [2022-02-09 23:16:06,667 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 23:16:06,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:16:06,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:16:06,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:16:06,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 23:16:07,114 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 98 check-sat command(s) [2022-02-09 23:16:07,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:16:07,168 WARN L261 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 973 conjunts are in the unsatisfiable core [2022-02-09 23:16:07,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:16:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42098 backedges. 0 proven. 42092 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:16:09,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:16:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42098 backedges. 0 proven. 42092 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:16:12,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652598257] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:16:12,185 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:16:12,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [385, 385, 385] total 385 [2022-02-09 23:16:12,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818383065] [2022-02-09 23:16:12,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:16:12,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 387 states [2022-02-09 23:16:12,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:16:12,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 387 interpolants. [2022-02-09 23:16:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=771, Invalid=148611, Unknown=0, NotChecked=0, Total=149382 [2022-02-09 23:16:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:16:12,194 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:16:12,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 387 states, 386 states have (on average 2.27720207253886) internal successors, (879), 386 states have internal predecessors, (879), 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) [2022-02-09 23:16:12,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:16:12,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:16:53,025 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2221 transitions and produced 2155 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:16:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:16:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:16:53,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 23:16:53,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 23:16:53,235 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:16:53,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:16:53,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1384636591, now seen corresponding path program 12 times [2022-02-09 23:16:53,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:16:53,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481765288] [2022-02-09 23:16:53,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:16:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:16:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:17:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 54898 backedges. 29059 proven. 25839 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:17:03,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:17:03,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481765288] [2022-02-09 23:17:03,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481765288] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:17:03,785 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859203035] [2022-02-09 23:17:03,785 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 23:17:03,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:17:03,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:17:03,786 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:17:03,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 23:17:04,203 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 118 check-sat command(s) [2022-02-09 23:17:04,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:17:04,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 217 conjunts are in the unsatisfiable core [2022-02-09 23:17:04,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:17:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 54898 backedges. 40136 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:17:15,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:17:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 54898 backedges. 29059 proven. 25839 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:17:20,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859203035] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:17:20,671 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:17:20,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [218, 218, 218] total 393 [2022-02-09 23:17:20,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396455900] [2022-02-09 23:17:20,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:17:20,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 393 states [2022-02-09 23:17:20,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:17:20,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 393 interpolants. [2022-02-09 23:17:20,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29682, Invalid=124374, Unknown=0, NotChecked=0, Total=154056 [2022-02-09 23:17:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:17:20,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:17:20,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 393 states, 393 states have (on average 4.366412213740458) internal successors, (1716), 393 states have internal predecessors, (1716), 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) [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:17:20,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:17:51,769 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2573 transitions and produced 2382 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:17:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:17:51,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 23:17:51,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 23:17:51,971 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:17:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:17:51,972 INFO L85 PathProgramCache]: Analyzing trace with hash 516035421, now seen corresponding path program 13 times [2022-02-09 23:17:51,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:17:51,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700149666] [2022-02-09 23:17:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:17:51,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:17:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:18:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 61308 backedges. 0 proven. 61302 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:18:57,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:18:57,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700149666] [2022-02-09 23:18:57,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700149666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:18:57,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354644991] [2022-02-09 23:18:57,182 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 23:18:57,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:18:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:18:57,208 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:18:57,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 23:18:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:18:57,511 WARN L261 TraceCheckSpWp]: Trace formula consists of 1897 conjuncts, 1173 conjunts are in the unsatisfiable core [2022-02-09 23:18:57,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:19:00,480 INFO L134 CoverageAnalysis]: Checked inductivity of 61308 backedges. 0 proven. 61302 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:19:00,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:19:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 61308 backedges. 0 proven. 61302 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:19:03,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354644991] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:19:03,535 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:19:03,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [465, 465, 465] total 465 [2022-02-09 23:19:03,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297993293] [2022-02-09 23:19:03,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:19:03,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 467 states [2022-02-09 23:19:03,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:19:03,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 467 interpolants. [2022-02-09 23:19:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=216691, Unknown=0, NotChecked=0, Total=217622 [2022-02-09 23:19:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:19:03,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:19:03,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 467 states, 466 states have (on average 2.272532188841202) internal successors, (1059), 466 states have internal predecessors, (1059), 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) [2022-02-09 23:19:03,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:19:03,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:19:03,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:19:03,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:20:01,867 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2621 transitions and produced 2536 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:20:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:20:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:20:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:20:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 467 states. [2022-02-09 23:20:01,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 23:20:02,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:20:02,069 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:20:02,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:20:02,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1759486687, now seen corresponding path program 14 times [2022-02-09 23:20:02,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:20:02,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861843026] [2022-02-09 23:20:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:20:02,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:20:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:20:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 76508 backedges. 41859 proven. 34649 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:20:17,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:20:17,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861843026] [2022-02-09 23:20:17,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861843026] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:20:17,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56008818] [2022-02-09 23:20:17,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 23:20:17,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:20:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:20:17,006 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:20:17,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 23:20:17,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 23:20:17,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:20:17,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 257 conjunts are in the unsatisfiable core [2022-02-09 23:20:17,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:20:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 76508 backedges. 55216 proven. 21292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:20:31,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:20:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 76508 backedges. 41859 proven. 34649 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:20:38,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56008818] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:20:38,365 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:20:38,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [258, 258, 258] total 453 [2022-02-09 23:20:38,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437004558] [2022-02-09 23:20:38,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:20:38,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 453 states [2022-02-09 23:20:38,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:20:38,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 453 interpolants. [2022-02-09 23:20:38,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39962, Invalid=164794, Unknown=0, NotChecked=0, Total=204756 [2022-02-09 23:20:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:20:38,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:20:38,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 453 states, 453 states have (on average 4.317880794701987) internal successors, (1956), 453 states have internal predecessors, (1956), 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) [2022-02-09 23:20:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:20:38,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 467 states. [2022-02-09 23:20:38,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:21:22,460 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2973 transitions and produced 2763 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 467 states. [2022-02-09 23:21:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2022-02-09 23:21:22,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-09 23:21:22,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:21:22,662 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 23:21:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:21:22,663 INFO L85 PathProgramCache]: Analyzing trace with hash 904430733, now seen corresponding path program 15 times [2022-02-09 23:21:22,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:21:22,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380414759] [2022-02-09 23:21:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:21:22,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:21:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:22:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 84118 backedges. 0 proven. 84112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:22:51,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:22:51,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380414759] [2022-02-09 23:22:51,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380414759] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:22:51,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914289418] [2022-02-09 23:22:51,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 23:22:51,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:22:51,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:22:51,046 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:22:51,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 23:22:51,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 138 check-sat command(s) [2022-02-09 23:22:51,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:22:51,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 1373 conjunts are in the unsatisfiable core [2022-02-09 23:22:51,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:22:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 84118 backedges. 0 proven. 84112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:22:55,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:22:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 84118 backedges. 0 proven. 84112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 23:22:58,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914289418] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:22:58,661 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:22:58,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [545, 545, 545] total 545 [2022-02-09 23:22:58,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199344226] [2022-02-09 23:22:58,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:22:58,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 547 states [2022-02-09 23:22:58,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:22:58,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 547 interpolants. [2022-02-09 23:22:58,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1091, Invalid=297571, Unknown=0, NotChecked=0, Total=298662 [2022-02-09 23:22:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:22:58,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:22:58,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 547 states, 546 states have (on average 2.269230769230769) internal successors, (1239), 546 states have internal predecessors, (1239), 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) [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 467 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2022-02-09 23:22:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-09 23:23:41,715 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 23:23:41,716 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 23:23:41,716 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 23:23:41,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 23:23:41,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-09 23:23:41,933 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-09 23:23:41,935 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-09 23:23:41,935 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 23:23:41,935 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 23:23:41,941 INFO L732 BasicCegarLoop]: Path program histogram: [15] [2022-02-09 23:23:41,943 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 23:23:41,943 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 23:23:41,944 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 11:23:41 BasicIcfg [2022-02-09 23:23:41,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 23:23:41,945 INFO L158 Benchmark]: Toolchain (without parser) took 710975.14ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 198.5MB in the beginning and 994.7MB in the end (delta: -796.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-09 23:23:41,945 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 233.8MB. Free memory is still 199.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 23:23:41,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.29ms. Allocated memory is still 233.8MB. Free memory was 198.4MB in the beginning and 196.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 23:23:41,945 INFO L158 Benchmark]: Boogie Preprocessor took 10.01ms. Allocated memory is still 233.8MB. Free memory was 196.8MB in the beginning and 195.9MB in the end (delta: 910.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 23:23:41,945 INFO L158 Benchmark]: RCFGBuilder took 151.79ms. Allocated memory is still 233.8MB. Free memory was 195.9MB in the beginning and 187.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 23:23:41,946 INFO L158 Benchmark]: TraceAbstraction took 710789.42ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 186.9MB in the beginning and 994.7MB in the end (delta: -807.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-09 23:23:41,946 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 0.09ms. Allocated memory is still 233.8MB. Free memory is still 199.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.29ms. Allocated memory is still 233.8MB. Free memory was 198.4MB in the beginning and 196.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.01ms. Allocated memory is still 233.8MB. Free memory was 196.8MB in the beginning and 195.9MB in the end (delta: 910.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 151.79ms. Allocated memory is still 233.8MB. Free memory was 195.9MB in the beginning and 187.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 710789.42ms. Allocated memory was 233.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 186.9MB in the beginning and 994.7MB in the end (delta: -807.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: 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: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: 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: 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 710.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 305.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3612, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 390.6s InterpolantComputationTime, 19962 NumberOfCodeBlocks, 19962 NumberOfCodeBlocksAsserted, 591 NumberOfCheckSat, 29898 ConstructedInterpolants, 0 QuantifiedInterpolants, 167966 SizeOfPredicates, 36 NumberOfNonLiveVariables, 17832 ConjunctsInSsa, 6356 ConjunctsInUnsatCore, 45 InterpolantComputations, 0 PerfectInterpolantSequences, 381037/1359117 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