/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_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 19:06:43,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 19:06:43,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 19:06:43,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 19:06:43,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 19:06:43,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 19:06:43,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 19:06:43,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 19:06:43,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 19:06:43,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 19:06:43,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 19:06:43,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 19:06:43,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 19:06:43,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 19:06:43,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 19:06:43,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 19:06:43,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 19:06:43,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 19:06:43,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 19:06:43,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 19:06:43,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 19:06:43,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 19:06:43,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 19:06:43,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 19:06:43,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 19:06:43,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 19:06:43,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 19:06:43,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 19:06:43,195 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 [2022-02-15 19:06:43,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 19:06:43,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 19:06:43,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 19:06:43,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 19:06:43,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 19:06:43,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 19:06:43,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 19:06:43,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 19:06:43,213 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 19:06:43,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:06:43,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 19:06:43,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 19:06:43,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 19:06:43,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 19:06:43,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 19:06:43,215 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 19:06:43,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 19:06:43,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 19:06:43,217 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 19:06:43,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 19:06:43,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 19:06:43,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 19:06:43,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 19:06:43,387 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-15 19:06:43,388 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-15 19:06:43,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_14.bpl [2022-02-15 19:06:43,394 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_14.bpl' [2022-02-15 19:06:43,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 19:06:43,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 19:06:43,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 19:06:43,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 19:06:43,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 19:06:43,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,439 INFO L137 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-15 19:06:43,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 19:06:43,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 19:06:43,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 19:06:43,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 19:06:43,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 19:06:43,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 19:06:43,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 19:06:43,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 19:06:43,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/1) ... [2022-02-15 19:06:43,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:06:43,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:06:43,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 19:06:43,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 19:06:43,554 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-15 19:06:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-15 19:06:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-15 19:06:43,555 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-15 19:06:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-15 19:06:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-15 19:06:43,556 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-15 19:06:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-15 19:06:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-15 19:06:43,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-15 19:06:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-15 19:06:43,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-15 19:06:43,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-15 19:06:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-15 19:06:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-15 19:06:43,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-15 19:06:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-15 19:06:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-15 19:06:43,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-15 19:06:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 19:06:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 19:06:43,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-15 19:06:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-15 19:06:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-15 19:06:43,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-15 19:06:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-15 19:06:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-15 19:06:43,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-02-15 19:06:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-02-15 19:06:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-02-15 19:06:43,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-15 19:06:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-15 19:06:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-15 19:06:43,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-15 19:06:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-15 19:06:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-15 19:06:43,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-15 19:06:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-15 19:06:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-15 19:06:43,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-15 19:06:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-15 19:06:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-15 19:06:43,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-15 19:06:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-15 19:06:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-15 19:06:43,567 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 19:06:43,617 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 19:06:43,618 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 19:06:43,705 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 19:06:43,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 19:06:43,710 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 19:06:43,712 INFO L202 PluginConnector]: Adding new model example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:06:43 BoogieIcfgContainer [2022-02-15 19:06:43,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 19:06:43,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 19:06:43,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 19:06:43,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 19:06:43,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:06:43" (1/2) ... [2022-02-15 19:06:43,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6ee6dc and model type example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:06:43, skipping insertion in model container [2022-02-15 19:06:43,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:06:43" (2/2) ... [2022-02-15 19:06:43,717 INFO L111 eAbstractionObserver]: Analyzing ICFG example_14.bpl [2022-02-15 19:06:43,720 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 19:06:43,720 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 19:06:43,721 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 19:06:43,721 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 19:06:43,874 INFO L148 ThreadInstanceAdder]: Constructed 196 joinOtherThreadTransitions. [2022-02-15 19:06:43,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 19:06:43,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:06:43,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-15 19:06:43,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-15 19:06:43,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 19:06:43,961 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 19:06:43,961 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-02-15 19:06:44,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:44,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:44,260 INFO L85 PathProgramCache]: Analyzing trace with hash 362278454, now seen corresponding path program 1 times [2022-02-15 19:06:44,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:44,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371604609] [2022-02-15 19:06:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:44,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:44,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:44,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371604609] [2022-02-15 19:06:44,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371604609] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:44,428 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:44,428 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:44,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979287521] [2022-02-15 19:06:44,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:44,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:44,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:44,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:44,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:44,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:44,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:44,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 19:06:44,668 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1919578408, now seen corresponding path program 1 times [2022-02-15 19:06:44,669 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:44,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192873430] [2022-02-15 19:06:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:44,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:44,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:44,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192873430] [2022-02-15 19:06:44,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192873430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:44,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:44,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:44,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765284126] [2022-02-15 19:06:44,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:44,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:44,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:44,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:44,707 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:44,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:44,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 19:06:44,849 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:44,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1726634736, now seen corresponding path program 1 times [2022-02-15 19:06:44,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:44,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112541515] [2022-02-15 19:06:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:44,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:44,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:44,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112541515] [2022-02-15 19:06:44,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112541515] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:44,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:44,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:44,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140767293] [2022-02-15 19:06:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:44,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:44,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:44,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:44,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:44,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:44,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 19:06:45,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1525359194, now seen corresponding path program 1 times [2022-02-15 19:06:45,020 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,020 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920042493] [2022-02-15 19:06:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,046 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920042493] [2022-02-15 19:06:45,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920042493] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105920805] [2022-02-15 19:06:45,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 19:06:45,168 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1324371952, now seen corresponding path program 1 times [2022-02-15 19:06:45,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290539907] [2022-02-15 19:06:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290539907] [2022-02-15 19:06:45,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290539907] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884927588] [2022-02-15 19:06:45,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 19:06:45,312 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,313 INFO L85 PathProgramCache]: Analyzing trace with hash 338159402, now seen corresponding path program 1 times [2022-02-15 19:06:45,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595605355] [2022-02-15 19:06:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595605355] [2022-02-15 19:06:45,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595605355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,369 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996346446] [2022-02-15 19:06:45,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 19:06:45,509 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1855640944, now seen corresponding path program 1 times [2022-02-15 19:06:45,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267477992] [2022-02-15 19:06:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267477992] [2022-02-15 19:06:45,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267477992] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551385400] [2022-02-15 19:06:45,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 19:06:45,632 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2016840626, now seen corresponding path program 1 times [2022-02-15 19:06:45,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475404106] [2022-02-15 19:06:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475404106] [2022-02-15 19:06:45,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475404106] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075411293] [2022-02-15 19:06:45,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 19:06:45,763 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash 416402772, now seen corresponding path program 1 times [2022-02-15 19:06:45,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945578475] [2022-02-15 19:06:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945578475] [2022-02-15 19:06:45,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945578475] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624363291] [2022-02-15 19:06:45,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 19:06:45,892 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:45,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:45,892 INFO L85 PathProgramCache]: Analyzing trace with hash 426905876, now seen corresponding path program 1 times [2022-02-15 19:06:45,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:45,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889771325] [2022-02-15 19:06:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:45,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:45,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:45,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889771325] [2022-02-15 19:06:45,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889771325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:45,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:45,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:45,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918725534] [2022-02-15 19:06:45,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:45,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:45,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:45,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:45,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:45,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:45,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:45,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 19:06:46,034 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash 315506550, now seen corresponding path program 1 times [2022-02-15 19:06:46,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:46,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551659163] [2022-02-15 19:06:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:46,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:46,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:46,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551659163] [2022-02-15 19:06:46,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551659163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:46,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:46,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 19:06:46,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401893993] [2022-02-15 19:06:46,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:46,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:06:46,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:06:46,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:06:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:46,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:46,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:46,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 19:06:46,150 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-02-15 19:06:46,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:06:46,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1070712152, now seen corresponding path program 1 times [2022-02-15 19:06:46,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:06:46,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410491913] [2022-02-15 19:06:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:06:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:06:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:06:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:06:47,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:06:47,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410491913] [2022-02-15 19:06:47,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410491913] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:06:47,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:06:47,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-15 19:06:47,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504698387] [2022-02-15 19:06:47,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:06:47,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 19:06:47,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:06:47,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 19:06:47,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2022-02-15 19:06:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:06:47,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:06:47,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:06:47,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.