/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 08:31:01,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 08:31:01,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 08:31:01,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 08:31:01,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 08:31:01,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 08:31:01,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 08:31:01,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 08:31:01,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 08:31:01,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 08:31:01,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 08:31:01,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-01-29 08:31:01,270 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.epf [2022-01-29 08:31:01,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 08:31:01,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 08:31:01,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 08:31:01,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 08:31:01,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 08:31:01,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 08:31:01,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 08:31:01,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 08:31:01,295 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 08:31:01,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 08:31:01,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 08:31:01,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 08:31:01,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 08:31:01,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 08:31:01,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 08:31:01,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 08:31:01,299 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 08:31:01,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 08:31:01,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 08:31:01,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 08:31:01,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 08:31:01,495 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 08:31:01,497 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 08:31:01,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl [2022-01-29 08:31:01,498 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl' [2022-01-29 08:31:01,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 08:31:01,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 08:31:01,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 08:31:01,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 08:31:01,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 08:31:01,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,532 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 08:31:01,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 08:31:01,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 08:31:01,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 08:31:01,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 08:31:01,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 08:31:01,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 08:31:01,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 08:31:01,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 08:31:01,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/1) ... [2022-01-29 08:31:01,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 08:31:01,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:01,584 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) [2022-01-29 08:31:01,604 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 [2022-01-29 08:31:01,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 08:31:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 08:31:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 08:31:01,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 08:31:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 08:31:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 08:31:01,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 08:31:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 08:31:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 08:31:01,613 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 08:31:01,642 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 08:31:01,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 08:31:01,703 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 08:31:01,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 08:31:01,707 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 08:31:01,708 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 08:31:01 BoogieIcfgContainer [2022-01-29 08:31:01,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 08:31:01,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 08:31:01,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 08:31:01,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 08:31:01,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 08:31:01" (1/2) ... [2022-01-29 08:31:01,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4177010b and model type easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 08:31:01, skipping insertion in model container [2022-01-29 08:31:01,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 08:31:01" (2/2) ... [2022-01-29 08:31:01,729 INFO L111 eAbstractionObserver]: Analyzing ICFG easy11.wvr.bpl [2022-01-29 08:31:01,732 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 08:31:01,732 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 08:31:01,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 08:31:01,733 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 08:31:01,759 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,759 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,760 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,761 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,761 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,761 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,761 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,761 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,762 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,763 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,763 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,764 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,766 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 08:31:01,771 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-29 08:31:01,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 08:31:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:01,841 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) [2022-01-29 08:31:01,842 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 [2022-01-29 08:31:01,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 08:31:01,866 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, 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 [2022-01-29 08:31:01,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 08:31:01,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:01,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:01,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1801390824, now seen corresponding path program 1 times [2022-01-29 08:31:01,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:01,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653616253] [2022-01-29 08:31:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:01,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:02,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:02,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653616253] [2022-01-29 08:31:02,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653616253] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:02,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232845153] [2022-01-29 08:31:02,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:02,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:02,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:02,376 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) [2022-01-29 08:31:02,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 08:31:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:02,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-29 08:31:02,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:02,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:31:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:03,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232845153] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 08:31:03,463 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 08:31:03,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2022-01-29 08:31:03,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86695790] [2022-01-29 08:31:03,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 08:31:03,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-29 08:31:03,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:03,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-29 08:31:03,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=892, Unknown=0, NotChecked=0, Total=1056 [2022-01-29 08:31:03,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:03,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:03,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 32 states have internal predecessors, (52), 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) [2022-01-29 08:31:03,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:04,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-29 08:31:04,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:04,359 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 [2022-01-29 08:31:04,359 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:04,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:04,360 INFO L85 PathProgramCache]: Analyzing trace with hash 709777782, now seen corresponding path program 2 times [2022-01-29 08:31:04,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:04,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283972612] [2022-01-29 08:31:04,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:04,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:04,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:04,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283972612] [2022-01-29 08:31:04,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283972612] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:04,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292621317] [2022-01-29 08:31:04,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 08:31:04,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:04,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:04,456 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) [2022-01-29 08:31:04,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 08:31:04,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:31:04,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2022-01-29 08:31:04,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:04,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 08:31:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:04,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:31:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:04,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292621317] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 08:31:04,640 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 08:31:04,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2022-01-29 08:31:04,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140594523] [2022-01-29 08:31:04,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 08:31:04,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-29 08:31:04,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:04,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-29 08:31:04,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-01-29 08:31:04,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:04,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:04,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 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) [2022-01-29 08:31:04,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-01-29 08:31:04,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:05,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-29 08:31:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:05,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:05,206 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 [2022-01-29 08:31:05,207 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:05,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:05,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1681517608, now seen corresponding path program 3 times [2022-01-29 08:31:05,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:05,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97634411] [2022-01-29 08:31:05,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:05,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:05,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:05,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97634411] [2022-01-29 08:31:05,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97634411] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:05,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243057667] [2022-01-29 08:31:05,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 08:31:05,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:05,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:05,436 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) [2022-01-29 08:31:05,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 08:31:05,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-29 08:31:05,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:31:05,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-29 08:31:05,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-29 08:31:05,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-29 08:31:05,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243057667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:05,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-29 08:31:05,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 24 [2022-01-29 08:31:05,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170335503] [2022-01-29 08:31:05,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:05,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-29 08:31:05,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-29 08:31:05,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2022-01-29 08:31:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:05,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:05,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-01-29 08:31:05,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-01-29 08:31:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:06,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 08:31:06,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:06,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:06,624 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 [2022-01-29 08:31:06,625 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:06,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash 575483608, now seen corresponding path program 4 times [2022-01-29 08:31:06,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:06,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530958651] [2022-01-29 08:31:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:06,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:06,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530958651] [2022-01-29 08:31:06,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530958651] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:06,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669689940] [2022-01-29 08:31:06,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 08:31:06,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:06,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:06,738 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) [2022-01-29 08:31:06,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 08:31:06,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 08:31:06,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:31:06,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-29 08:31:06,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:06,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:31:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:07,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669689940] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 08:31:07,306 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 08:31:07,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2022-01-29 08:31:07,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614425877] [2022-01-29 08:31:07,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 08:31:07,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-01-29 08:31:07,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:07,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-01-29 08:31:07,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2022-01-29 08:31:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:07,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:07,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 states have internal predecessors, (39), 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) [2022-01-29 08:31:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 08:31:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-29 08:31:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-29 08:31:08,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:08,390 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 [2022-01-29 08:31:08,390 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:08,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:08,391 INFO L85 PathProgramCache]: Analyzing trace with hash 839239034, now seen corresponding path program 1 times [2022-01-29 08:31:08,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:08,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126751468] [2022-01-29 08:31:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:08,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:08,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:08,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126751468] [2022-01-29 08:31:08,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126751468] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:08,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822710915] [2022-01-29 08:31:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:08,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:08,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:08,429 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) [2022-01-29 08:31:08,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 08:31:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:08,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-29 08:31:08,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:08,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:31:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:08,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822710915] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:08,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-29 08:31:08,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2022-01-29 08:31:08,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434476877] [2022-01-29 08:31:08,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:08,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 08:31:08,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:08,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 08:31:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-29 08:31:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:08,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:08,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-01-29 08:31:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-01-29 08:31:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-01-29 08:31:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-29 08:31:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 08:31:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:08,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:08,919 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 [2022-01-29 08:31:08,919 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:08,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:08,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1802561640, now seen corresponding path program 1 times [2022-01-29 08:31:08,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:08,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716680648] [2022-01-29 08:31:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:08,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:08,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:08,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716680648] [2022-01-29 08:31:08,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716680648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:08,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:31:08,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-29 08:31:08,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142033007] [2022-01-29 08:31:08,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:08,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-29 08:31:08,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:08,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-29 08:31:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-29 08:31:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:08,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:08,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:08,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-29 08:31:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 08:31:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-29 08:31:09,107 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 283479000, now seen corresponding path program 2 times [2022-01-29 08:31:09,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:09,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033123397] [2022-01-29 08:31:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:09,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:09,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:09,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033123397] [2022-01-29 08:31:09,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033123397] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:09,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:31:09,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-29 08:31:09,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039920621] [2022-01-29 08:31:09,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:09,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-29 08:31:09,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-29 08:31:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-29 08:31:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:09,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:09,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-29 08:31:09,592 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:09,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2009880228, now seen corresponding path program 2 times [2022-01-29 08:31:09,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:09,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523293895] [2022-01-29 08:31:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:09,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:09,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523293895] [2022-01-29 08:31:09,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523293895] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:09,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784550593] [2022-01-29 08:31:09,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 08:31:09,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:09,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:09,631 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) [2022-01-29 08:31:09,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 08:31:09,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 08:31:09,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:31:09,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-29 08:31:09,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-29 08:31:09,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 08:31:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-29 08:31:09,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784550593] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:09,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-29 08:31:09,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2022-01-29 08:31:09,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367815136] [2022-01-29 08:31:09,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:09,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 08:31:09,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:09,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 08:31:09,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-29 08:31:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:09,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:09,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-01-29 08:31:09,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:09,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:09,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:09,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:09,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:09,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:09,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:09,976 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash -489023016, now seen corresponding path program 5 times [2022-01-29 08:31:09,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:09,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134788150] [2022-01-29 08:31:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:09,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:10,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:10,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134788150] [2022-01-29 08:31:10,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134788150] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 08:31:10,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627848474] [2022-01-29 08:31:10,129 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 08:31:10,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 08:31:10,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 08:31:10,130 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) [2022-01-29 08:31:10,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 08:31:10,151 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-29 08:31:10,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 08:31:10,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-29 08:31:10,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 08:31:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-29 08:31:10,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-29 08:31:10,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627848474] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:10,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-29 08:31:10,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 20 [2022-01-29 08:31:10,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778062708] [2022-01-29 08:31:10,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:10,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-29 08:31:10,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-29 08:31:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-01-29 08:31:10,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:10,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 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) [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:10,672 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,SelfDestructingSolverStorable8 [2022-01-29 08:31:10,673 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:10,673 INFO L85 PathProgramCache]: Analyzing trace with hash 788647764, now seen corresponding path program 1 times [2022-01-29 08:31:10,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:10,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243792303] [2022-01-29 08:31:10,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:10,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:10,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:10,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243792303] [2022-01-29 08:31:10,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243792303] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:10,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:31:10,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-29 08:31:10,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641196710] [2022-01-29 08:31:10,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:10,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 08:31:10,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 08:31:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-29 08:31:10,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:10,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-01-29 08:31:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-29 08:31:10,755 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:10,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:10,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2097294696, now seen corresponding path program 3 times [2022-01-29 08:31:10,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:10,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368745541] [2022-01-29 08:31:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:10,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:10,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:10,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368745541] [2022-01-29 08:31:10,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368745541] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:10,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:31:10,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-29 08:31:10,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015647874] [2022-01-29 08:31:10,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:10,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-29 08:31:10,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:10,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-29 08:31:10,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-29 08:31:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:10,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:10,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-29 08:31:10,953 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 08:31:10,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 08:31:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1935421656, now seen corresponding path program 4 times [2022-01-29 08:31:10,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 08:31:10,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328978510] [2022-01-29 08:31:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 08:31:10,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 08:31:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 08:31:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 08:31:11,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 08:31:11,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328978510] [2022-01-29 08:31:11,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328978510] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 08:31:11,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 08:31:11,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-29 08:31:11,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675941268] [2022-01-29 08:31:11,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 08:31:11,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-29 08:31:11,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 08:31:11,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-29 08:31:11,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-29 08:31:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:11,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 08:31:11,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 08:31:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-29 08:31:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 08:31:11,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-29 08:31:11,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-29 08:31:11,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-29 08:31:11,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-29 08:31:11,183 INFO L732 BasicCegarLoop]: Path program histogram: [5, 4, 2, 1] [2022-01-29 08:31:11,185 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 08:31:11,185 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 08:31:11,187 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 08:31:11 BasicIcfg [2022-01-29 08:31:11,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 08:31:11,187 INFO L158 Benchmark]: Toolchain (without parser) took 9671.91ms. Allocated memory was 237.0MB in the beginning and 347.1MB in the end (delta: 110.1MB). Free memory was 201.8MB in the beginning and 226.7MB in the end (delta: -24.9MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. [2022-01-29 08:31:11,188 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 237.0MB. Free memory was 202.9MB in the beginning and 202.8MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 08:31:11,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.49ms. Allocated memory is still 237.0MB. Free memory was 201.7MB in the beginning and 200.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 08:31:11,188 INFO L158 Benchmark]: Boogie Preprocessor took 12.30ms. Allocated memory is still 237.0MB. Free memory was 200.2MB in the beginning and 199.3MB in the end (delta: 890.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 08:31:11,188 INFO L158 Benchmark]: RCFGBuilder took 159.29ms. Allocated memory is still 237.0MB. Free memory was 199.2MB in the beginning and 190.7MB in the end (delta: 8.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-29 08:31:11,188 INFO L158 Benchmark]: TraceAbstraction took 9478.19ms. Allocated memory was 237.0MB in the beginning and 347.1MB in the end (delta: 110.1MB). Free memory was 190.2MB in the beginning and 226.7MB in the end (delta: -36.5MB). Peak memory consumption was 75.6MB. Max. memory is 8.0GB. [2022-01-29 08:31:11,189 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 237.0MB. Free memory was 202.9MB in the beginning and 202.8MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.49ms. Allocated memory is still 237.0MB. Free memory was 201.7MB in the beginning and 200.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.30ms. Allocated memory is still 237.0MB. Free memory was 200.2MB in the beginning and 199.3MB in the end (delta: 890.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 159.29ms. Allocated memory is still 237.0MB. Free memory was 199.2MB in the beginning and 190.7MB in the end (delta: 8.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 9478.19ms. Allocated memory was 237.0MB in the beginning and 347.1MB in the end (delta: 110.1MB). Free memory was 190.2MB in the beginning and 226.7MB in the end (delta: -36.5MB). Peak memory consumption was 75.6MB. 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 - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 198, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 401 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 484 ConstructedInterpolants, 0 QuantifiedInterpolants, 3187 SizeOfPredicates, 35 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 113/204 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-29 08:31:11,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-29 08:31:11,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...