/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 20:14:15,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 20:14:15,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 20:14:15,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 20:14:15,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 20:14:15,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 20:14:15,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 20:14:15,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 20:14:15,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 20:14:15,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 20:14:15,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 20:14:15,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 20:14:15,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 20:14:15,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 20:14:15,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 20:14:15,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 20:14:15,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 20:14:15,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 20:14:15,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 20:14:15,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 20:14:15,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 20:14:15,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 20:14:15,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 20:14:15,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 20:14:15,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 20:14:15,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 20:14:15,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 20:14:15,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 20:14:15,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-01-28 20:14:15,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 20:14:15,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 20:14:15,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 20:14:15,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 20:14:15,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 20:14:15,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 20:14:15,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 20:14:15,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 20:14:15,705 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 20:14:15,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 20:14:15,705 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 20:14:15,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 20:14:15,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 20:14:15,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 20:14:15,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 20:14:15,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 20:14:15,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 20:14:15,708 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 20:14:15,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 20:14:15,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 20:14:15,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 20:14:15,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 20:14:15,910 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-28 20:14:15,911 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-28 20:14:15,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl [2022-01-28 20:14:15,912 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl' [2022-01-28 20:14:15,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 20:14:15,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-28 20:14:15,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 20:14:15,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 20:14:15,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 20:14:15,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,965 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-28 20:14:15,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 20:14:15,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 20:14:15,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 20:14:15,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 20:14:15,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 20:14:15,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 20:14:15,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 20:14:15,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 20:14:15,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/1) ... [2022-01-28 20:14:15,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 20:14:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 20:14:16,007 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) [2022-01-28 20:14:16,027 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 [2022-01-28 20:14:16,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-01-28 20:14:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-01-28 20:14:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-01-28 20:14:16,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-01-28 20:14:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-01-28 20:14:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-01-28 20:14:16,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-01-28 20:14:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-01-28 20:14:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-01-28 20:14:16,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-01-28 20:14:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-01-28 20:14:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-01-28 20:14:16,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-01-28 20:14:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-01-28 20:14:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-01-28 20:14:16,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-01-28 20:14:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-01-28 20:14:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-01-28 20:14:16,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-28 20:14:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 20:14:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 20:14:16,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-01-28 20:14:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-01-28 20:14:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-01-28 20:14:16,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-01-28 20:14:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-01-28 20:14:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-01-28 20:14:16,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-01-28 20:14:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-01-28 20:14:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-01-28 20:14:16,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-01-28 20:14:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-01-28 20:14:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-01-28 20:14:16,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-01-28 20:14:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-01-28 20:14:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-01-28 20:14:16,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-01-28 20:14:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-01-28 20:14:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-01-28 20:14:16,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-01-28 20:14:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-01-28 20:14:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-01-28 20:14:16,046 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 20:14:16,080 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 20:14:16,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 20:14:16,173 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 20:14:16,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 20:14:16,178 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 20:14:16,179 INFO L202 PluginConnector]: Adding new model example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:14:16 BoogieIcfgContainer [2022-01-28 20:14:16,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 20:14:16,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 20:14:16,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 20:14:16,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 20:14:16,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:14:15" (1/2) ... [2022-01-28 20:14:16,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14284269 and model type example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:14:16, skipping insertion in model container [2022-01-28 20:14:16,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:14:16" (2/2) ... [2022-01-28 20:14:16,184 INFO L111 eAbstractionObserver]: Analyzing ICFG example_13.bpl [2022-01-28 20:14:16,186 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 20:14:16,187 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 20:14:16,187 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 20:14:16,187 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 20:14:16,253 INFO L148 ThreadInstanceAdder]: Constructed 169 joinOtherThreadTransitions. [2022-01-28 20:14:16,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 20:14:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 20:14:16,322 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) [2022-01-28 20:14:16,324 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 [2022-01-28 20:14:16,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 20:14:16,358 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 [2022-01-28 20:14:16,358 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-01-28 20:14:16,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:16,549 INFO L85 PathProgramCache]: Analyzing trace with hash -999707082, now seen corresponding path program 1 times [2022-01-28 20:14:16,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:16,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296424239] [2022-01-28 20:14:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:16,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:16,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:16,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296424239] [2022-01-28 20:14:16,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296424239] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:16,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:16,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:16,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208887419] [2022-01-28 20:14:16,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:16,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:16,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:16,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:16,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:16,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:16,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 20:14:17,018 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1484359042, now seen corresponding path program 1 times [2022-01-28 20:14:17,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667068757] [2022-01-28 20:14:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667068757] [2022-01-28 20:14:17,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667068757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432447988] [2022-01-28 20:14:17,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 20:14:17,205 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,206 INFO L85 PathProgramCache]: Analyzing trace with hash 179006296, now seen corresponding path program 1 times [2022-01-28 20:14:17,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059975157] [2022-01-28 20:14:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059975157] [2022-01-28 20:14:17,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059975157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85876566] [2022-01-28 20:14:17,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,257 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 20:14:17,375 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash -686378570, now seen corresponding path program 1 times [2022-01-28 20:14:17,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451171853] [2022-01-28 20:14:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451171853] [2022-01-28 20:14:17,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451171853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216028008] [2022-01-28 20:14:17,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,431 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 20:14:17,528 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash -396127716, now seen corresponding path program 1 times [2022-01-28 20:14:17,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722615411] [2022-01-28 20:14:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722615411] [2022-01-28 20:14:17,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722615411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835764416] [2022-01-28 20:14:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,553 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 20:14:17,629 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash -818613442, now seen corresponding path program 1 times [2022-01-28 20:14:17,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249518371] [2022-01-28 20:14:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249518371] [2022-01-28 20:14:17,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249518371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446928730] [2022-01-28 20:14:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 20:14:17,737 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1988588324, now seen corresponding path program 1 times [2022-01-28 20:14:17,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541614340] [2022-01-28 20:14:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541614340] [2022-01-28 20:14:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541614340] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603825666] [2022-01-28 20:14:17,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 20:14:17,841 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1669158210, now seen corresponding path program 1 times [2022-01-28 20:14:17,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144411483] [2022-01-28 20:14:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144411483] [2022-01-28 20:14:17,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144411483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304243915] [2022-01-28 20:14:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,859 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 20:14:17,963 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1274341604, now seen corresponding path program 1 times [2022-01-28 20:14:17,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:17,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096475999] [2022-01-28 20:14:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:17,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:17,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:17,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096475999] [2022-01-28 20:14:17,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096475999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:17,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:17,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:17,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017457798] [2022-01-28 20:14:17,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:17,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:17,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:17,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:17,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:17,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:17,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:17,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 20:14:18,067 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:18,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:18,067 INFO L85 PathProgramCache]: Analyzing trace with hash 755701818, now seen corresponding path program 1 times [2022-01-28 20:14:18,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:18,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618448196] [2022-01-28 20:14:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:18,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:18,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:18,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618448196] [2022-01-28 20:14:18,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618448196] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:18,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:18,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:18,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098259920] [2022-01-28 20:14:18,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:18,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:18,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:18,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:18,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:18,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:18,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 20:14:18,163 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:18,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:18,164 INFO L85 PathProgramCache]: Analyzing trace with hash 658812316, now seen corresponding path program 1 times [2022-01-28 20:14:18,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:18,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012508603] [2022-01-28 20:14:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:18,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:18,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:18,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012508603] [2022-01-28 20:14:18,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012508603] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:18,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:18,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:14:18,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531041163] [2022-01-28 20:14:18,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:18,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:14:18,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:18,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:14:18,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:14:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:18,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:18,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:18,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 20:14:18,276 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-01-28 20:14:18,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:14:18,277 INFO L85 PathProgramCache]: Analyzing trace with hash 365379518, now seen corresponding path program 1 times [2022-01-28 20:14:18,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:14:18,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494843582] [2022-01-28 20:14:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:14:18,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:14:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:14:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:14:19,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:14:19,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494843582] [2022-01-28 20:14:19,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494843582] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:14:19,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:14:19,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-01-28 20:14:19,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329667707] [2022-01-28 20:14:19,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:14:19,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-28 20:14:19,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:14:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-28 20:14:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2022-01-28 20:14:19,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:14:19,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:14:19,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 15 states have internal predecessors, (53), 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) [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:14:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.