/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:24:15,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:24:15,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:24:15,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 23:24:15,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 23:24:15,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 23:24:15,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 23:24:15,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 23:24:15,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 23:24:15,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 23:24:15,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 23:24:15,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 23:24:15,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:24:15,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:24:15,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:24:15,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:24:15,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:24:15,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:24:15,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:24:15,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:24:15,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:24:15,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:24:15,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:24:15,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:24:15,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 23:24:15,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:24:15,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:24:15,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:24:15,584 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-FA-NoLbe.epf [2022-02-10 23:24:15,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:24:15,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:24:15,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:24:15,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:24:15,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:24:15,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:24:15,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:24:15,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:24:15,614 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:24:15,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:24:15,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:24:15,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:24:15,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:24:15,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:24:15,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:24:15,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:24:15,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:24:15,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:24:15,617 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:24:15,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:24:15,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 23:24:15,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:24:15,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:24:15,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:24:15,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:24:15,879 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:24:15,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2022-02-10 23:24:15,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9721ecd4/cad8edae480a460a8cb70251839ac6eb/FLAGd5d44476f [2022-02-10 23:24:16,355 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:24:16,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2022-02-10 23:24:16,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9721ecd4/cad8edae480a460a8cb70251839ac6eb/FLAGd5d44476f [2022-02-10 23:24:16,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9721ecd4/cad8edae480a460a8cb70251839ac6eb [2022-02-10 23:24:16,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:24:16,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:24:16,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:24:16,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:24:16,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:24:16,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:24:16" (1/1) ... [2022-02-10 23:24:16,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e54840c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:16, skipping insertion in model container [2022-02-10 23:24:16,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:24:16" (1/1) ... [2022-02-10 23:24:16,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:24:16,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:24:17,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2022-02-10 23:24:17,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:24:17,264 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:24:17,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i[39758,39771] [2022-02-10 23:24:17,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:24:17,375 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:24:17,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17 WrapperNode [2022-02-10 23:24:17,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:24:17,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:24:17,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:24:17,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:24:17,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,416 INFO L137 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2022-02-10 23:24:17,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:24:17,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:24:17,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:24:17,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:24:17,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:24:17,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:24:17,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:24:17,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:24:17,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (1/1) ... [2022-02-10 23:24:17,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:24:17,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:24:17,472 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) [2022-02-10 23:24:17,475 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 [2022-02-10 23:24:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:24:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:24:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-10 23:24:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:24:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 23:24:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 23:24:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 23:24:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 23:24:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:24:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:24:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:24:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:24:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:24:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:24:17,516 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:24:17,681 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:24:17,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:24:17,910 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:24:17,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:24:17,916 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-10 23:24:17,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:24:17 BoogieIcfgContainer [2022-02-10 23:24:17,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:24:17,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:24:17,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:24:17,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:24:17,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:24:16" (1/3) ... [2022-02-10 23:24:17,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10a1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:24:17, skipping insertion in model container [2022-02-10 23:24:17,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:24:17" (2/3) ... [2022-02-10 23:24:17,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10a1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:24:17, skipping insertion in model container [2022-02-10 23:24:17,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:24:17" (3/3) ... [2022-02-10 23:24:17,926 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2022-02-10 23:24:17,930 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:24:17,931 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:24:17,931 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 23:24:17,931 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:24:17,985 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,985 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,985 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,985 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,985 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,986 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,987 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,987 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,987 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,988 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,988 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,988 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,988 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,989 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,989 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,989 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,990 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,991 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,991 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,991 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,992 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,992 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,992 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,992 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,993 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,995 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,996 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,997 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,997 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,997 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,997 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,998 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,998 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,998 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,998 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,998 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,999 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,999 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,999 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:17,999 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,000 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,000 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,002 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,002 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,002 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,003 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,003 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,005 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,006 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,006 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,006 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,007 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,007 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,007 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,007 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,008 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,009 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,009 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,009 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,010 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,010 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,011 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,011 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,012 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,013 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,018 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,021 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,021 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,021 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,021 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,021 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,022 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,022 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,022 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,022 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,025 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,025 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,025 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,026 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,026 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,027 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,027 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:24:18,032 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 23:24:18,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:24:18,070 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=FINITE_AUTOMATA, 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 [2022-02-10 23:24:18,070 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 23:24:18,079 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 135 transitions, 286 flow [2022-02-10 23:24:18,205 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2089 states, 2088 states have (on average 2.893199233716475) internal successors, (6041), 2088 states have internal predecessors, (6041), 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) [2022-02-10 23:24:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2089 states, 2088 states have (on average 2.893199233716475) internal successors, (6041), 2088 states have internal predecessors, (6041), 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) [2022-02-10 23:24:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-10 23:24:18,243 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:18,243 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:18,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1487921136, now seen corresponding path program 1 times [2022-02-10 23:24:18,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:18,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977639727] [2022-02-10 23:24:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:18,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:18,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977639727] [2022-02-10 23:24:18,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977639727] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:24:18,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:24:18,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:24:18,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052801327] [2022-02-10 23:24:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:24:18,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 23:24:18,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:18,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 23:24:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:24:18,526 INFO L87 Difference]: Start difference. First operand has 2089 states, 2088 states have (on average 2.893199233716475) internal successors, (6041), 2088 states have internal predecessors, (6041), 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) Second operand has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2022-02-10 23:24:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:18,587 INFO L93 Difference]: Finished difference Result 2089 states and 5679 transitions. [2022-02-10 23:24:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 23:24:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) Word has length 86 [2022-02-10 23:24:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:18,623 INFO L225 Difference]: With dead ends: 2089 [2022-02-10 23:24:18,623 INFO L226 Difference]: Without dead ends: 2089 [2022-02-10 23:24:18,625 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 23:24:18,628 INFO L934 BasicCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:18,631 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:24:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2022-02-10 23:24:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2022-02-10 23:24:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 2.7198275862068964) internal successors, (5679), 2088 states have internal predecessors, (5679), 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) [2022-02-10 23:24:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 5679 transitions. [2022-02-10 23:24:18,790 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 5679 transitions. Word has length 86 [2022-02-10 23:24:18,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:18,791 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 5679 transitions. [2022-02-10 23:24:18,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2022-02-10 23:24:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 5679 transitions. [2022-02-10 23:24:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-10 23:24:18,800 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:18,800 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:18,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:24:18,801 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:18,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:18,803 INFO L85 PathProgramCache]: Analyzing trace with hash 236112238, now seen corresponding path program 1 times [2022-02-10 23:24:18,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:18,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658593601] [2022-02-10 23:24:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:18,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:18,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658593601] [2022-02-10 23:24:18,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658593601] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:24:18,943 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:24:18,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:24:18,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112490367] [2022-02-10 23:24:18,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:24:18,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:24:18,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:18,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:24:18,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:18,945 INFO L87 Difference]: Start difference. First operand 2089 states and 5679 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-02-10 23:24:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:19,013 INFO L93 Difference]: Finished difference Result 3363 states and 9274 transitions. [2022-02-10 23:24:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:24:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) Word has length 86 [2022-02-10 23:24:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:19,034 INFO L225 Difference]: With dead ends: 3363 [2022-02-10 23:24:19,035 INFO L226 Difference]: Without dead ends: 3363 [2022-02-10 23:24:19,038 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:19,040 INFO L934 BasicCegarLoop]: 143 mSDtfsCounter, 46 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:19,040 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 250 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:24:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3363 states. [2022-02-10 23:24:19,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3363 to 2187. [2022-02-10 23:24:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 2186 states have (on average 2.7209515096065875) internal successors, (5948), 2186 states have internal predecessors, (5948), 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) [2022-02-10 23:24:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 5948 transitions. [2022-02-10 23:24:19,140 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 5948 transitions. Word has length 86 [2022-02-10 23:24:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:19,143 INFO L470 AbstractCegarLoop]: Abstraction has 2187 states and 5948 transitions. [2022-02-10 23:24:19,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-02-10 23:24:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 5948 transitions. [2022-02-10 23:24:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-02-10 23:24:19,152 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:19,152 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:19,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:24:19,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:19,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:19,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1928594406, now seen corresponding path program 1 times [2022-02-10 23:24:19,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:19,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516259819] [2022-02-10 23:24:19,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:19,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:19,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:19,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516259819] [2022-02-10 23:24:19,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516259819] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:24:19,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:24:19,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:24:19,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154232329] [2022-02-10 23:24:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:24:19,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:24:19,278 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:19,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:24:19,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:19,279 INFO L87 Difference]: Start difference. First operand 2187 states and 5948 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2022-02-10 23:24:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:19,331 INFO L93 Difference]: Finished difference Result 3405 states and 9409 transitions. [2022-02-10 23:24:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:24:19,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) Word has length 97 [2022-02-10 23:24:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:19,350 INFO L225 Difference]: With dead ends: 3405 [2022-02-10 23:24:19,350 INFO L226 Difference]: Without dead ends: 3405 [2022-02-10 23:24:19,353 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:19,357 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 41 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:19,358 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 241 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:24:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2022-02-10 23:24:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 2274. [2022-02-10 23:24:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 2273 states have (on average 2.722833260008799) internal successors, (6189), 2273 states have internal predecessors, (6189), 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) [2022-02-10 23:24:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 6189 transitions. [2022-02-10 23:24:19,435 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 6189 transitions. Word has length 97 [2022-02-10 23:24:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:19,437 INFO L470 AbstractCegarLoop]: Abstraction has 2274 states and 6189 transitions. [2022-02-10 23:24:19,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2022-02-10 23:24:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 6189 transitions. [2022-02-10 23:24:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-10 23:24:19,448 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:19,448 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:19,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:24:19,449 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:19,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1282674777, now seen corresponding path program 1 times [2022-02-10 23:24:19,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:19,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444678102] [2022-02-10 23:24:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:19,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:19,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:19,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444678102] [2022-02-10 23:24:19,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444678102] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:24:19,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013454468] [2022-02-10 23:24:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:19,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:24:19,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:24:19,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 23:24:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:19,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-10 23:24:19,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:24:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:19,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:24:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:24:20,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013454468] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:24:20,250 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:24:20,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-10 23:24:20,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469295681] [2022-02-10 23:24:20,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:24:20,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-10 23:24:20,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:20,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-10 23:24:20,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-10 23:24:20,253 INFO L87 Difference]: Start difference. First operand 2274 states and 6189 transitions. Second operand has 10 states, 10 states have (on average 19.3) internal successors, (193), 10 states have internal predecessors, (193), 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) [2022-02-10 23:24:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:20,824 INFO L93 Difference]: Finished difference Result 10702 states and 30227 transitions. [2022-02-10 23:24:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-10 23:24:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.3) internal successors, (193), 10 states have internal predecessors, (193), 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) Word has length 109 [2022-02-10 23:24:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:20,879 INFO L225 Difference]: With dead ends: 10702 [2022-02-10 23:24:20,879 INFO L226 Difference]: Without dead ends: 10702 [2022-02-10 23:24:20,880 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=501, Invalid=1391, Unknown=0, NotChecked=0, Total=1892 [2022-02-10 23:24:20,881 INFO L934 BasicCegarLoop]: 220 mSDtfsCounter, 865 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:20,881 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 1311 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:24:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10702 states. [2022-02-10 23:24:21,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10702 to 8115. [2022-02-10 23:24:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8115 states, 8114 states have (on average 2.8083559280256347) internal successors, (22787), 8114 states have internal predecessors, (22787), 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) [2022-02-10 23:24:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8115 states to 8115 states and 22787 transitions. [2022-02-10 23:24:21,175 INFO L78 Accepts]: Start accepts. Automaton has 8115 states and 22787 transitions. Word has length 109 [2022-02-10 23:24:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:21,176 INFO L470 AbstractCegarLoop]: Abstraction has 8115 states and 22787 transitions. [2022-02-10 23:24:21,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.3) internal successors, (193), 10 states have internal predecessors, (193), 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) [2022-02-10 23:24:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8115 states and 22787 transitions. [2022-02-10 23:24:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-10 23:24:21,199 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:21,199 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:21,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-10 23:24:21,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:21,412 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:21,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:21,413 INFO L85 PathProgramCache]: Analyzing trace with hash 128793966, now seen corresponding path program 2 times [2022-02-10 23:24:21,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:21,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162025700] [2022-02-10 23:24:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:21,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-10 23:24:21,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:21,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162025700] [2022-02-10 23:24:21,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162025700] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:24:21,511 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969943681] [2022-02-10 23:24:21,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 23:24:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:24:21,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:24:21,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 23:24:21,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 23:24:21,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:24:21,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-10 23:24:21,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:24:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-10 23:24:21,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:24:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-10 23:24:22,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969943681] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:24:22,026 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:24:22,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-10 23:24:22,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424253224] [2022-02-10 23:24:22,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:24:22,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 23:24:22,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:22,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 23:24:22,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-10 23:24:22,029 INFO L87 Difference]: Start difference. First operand 8115 states and 22787 transitions. Second operand has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 9 states have internal predecessors, (147), 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) [2022-02-10 23:24:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:22,197 INFO L93 Difference]: Finished difference Result 11100 states and 31341 transitions. [2022-02-10 23:24:22,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 23:24:22,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 9 states have internal predecessors, (147), 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) Word has length 143 [2022-02-10 23:24:22,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:22,232 INFO L225 Difference]: With dead ends: 11100 [2022-02-10 23:24:22,232 INFO L226 Difference]: Without dead ends: 11100 [2022-02-10 23:24:22,232 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-10 23:24:22,233 INFO L934 BasicCegarLoop]: 161 mSDtfsCounter, 404 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:22,233 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 785 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:24:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11100 states. [2022-02-10 23:24:22,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11100 to 11100. [2022-02-10 23:24:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11100 states, 11099 states have (on average 2.8237679070186505) internal successors, (31341), 11099 states have internal predecessors, (31341), 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) [2022-02-10 23:24:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 31341 transitions. [2022-02-10 23:24:22,533 INFO L78 Accepts]: Start accepts. Automaton has 11100 states and 31341 transitions. Word has length 143 [2022-02-10 23:24:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:22,533 INFO L470 AbstractCegarLoop]: Abstraction has 11100 states and 31341 transitions. [2022-02-10 23:24:22,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 9 states have internal predecessors, (147), 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) [2022-02-10 23:24:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11100 states and 31341 transitions. [2022-02-10 23:24:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-10 23:24:22,562 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:22,562 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:22,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 23:24:22,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:22,776 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2027881731, now seen corresponding path program 3 times [2022-02-10 23:24:22,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:22,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545809329] [2022-02-10 23:24:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:22,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-10 23:24:22,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:22,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545809329] [2022-02-10 23:24:22,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545809329] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 23:24:22,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490161140] [2022-02-10 23:24:22,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 23:24:22,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:22,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:24:22,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 23:24:22,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 23:24:23,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-10 23:24:23,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 23:24:23,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-10 23:24:23,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 23:24:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-10 23:24:23,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 23:24:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-10 23:24:23,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490161140] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 23:24:23,792 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 23:24:23,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2022-02-10 23:24:23,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262668196] [2022-02-10 23:24:23,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 23:24:23,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:24:23,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:23,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:24:23,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:24:23,794 INFO L87 Difference]: Start difference. First operand 11100 states and 31341 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2022-02-10 23:24:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:23,925 INFO L93 Difference]: Finished difference Result 5892 states and 15898 transitions. [2022-02-10 23:24:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 23:24:23,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) Word has length 155 [2022-02-10 23:24:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:23,940 INFO L225 Difference]: With dead ends: 5892 [2022-02-10 23:24:23,940 INFO L226 Difference]: Without dead ends: 5682 [2022-02-10 23:24:23,940 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-10 23:24:23,941 INFO L934 BasicCegarLoop]: 189 mSDtfsCounter, 260 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:23,941 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 721 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:24:23,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5682 states. [2022-02-10 23:24:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5682 to 5314. [2022-02-10 23:24:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 5313 states have (on average 2.699416525503482) internal successors, (14342), 5313 states have internal predecessors, (14342), 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) [2022-02-10 23:24:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 14342 transitions. [2022-02-10 23:24:24,046 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 14342 transitions. Word has length 155 [2022-02-10 23:24:24,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:24,047 INFO L470 AbstractCegarLoop]: Abstraction has 5314 states and 14342 transitions. [2022-02-10 23:24:24,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2022-02-10 23:24:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 14342 transitions. [2022-02-10 23:24:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-10 23:24:24,059 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:24,059 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:24,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 23:24:24,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 23:24:24,282 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:24,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1324427833, now seen corresponding path program 4 times [2022-02-10 23:24:24,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:24,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874184992] [2022-02-10 23:24:24,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:24,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:24:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-10 23:24:24,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:24:24,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874184992] [2022-02-10 23:24:24,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874184992] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:24:24,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:24:24,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 23:24:24,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809468909] [2022-02-10 23:24:24,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:24:24,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:24:24,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:24:24,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:24:24,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:24,333 INFO L87 Difference]: Start difference. First operand 5314 states and 14342 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-02-10 23:24:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:24:24,370 INFO L93 Difference]: Finished difference Result 3659 states and 9274 transitions. [2022-02-10 23:24:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:24:24,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) Word has length 155 [2022-02-10 23:24:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:24:24,378 INFO L225 Difference]: With dead ends: 3659 [2022-02-10 23:24:24,378 INFO L226 Difference]: Without dead ends: 3659 [2022-02-10 23:24:24,378 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:24:24,379 INFO L934 BasicCegarLoop]: 141 mSDtfsCounter, 46 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:24:24,379 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 221 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:24:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3659 states. [2022-02-10 23:24:24,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3659 to 3659. [2022-02-10 23:24:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3659 states, 3658 states have (on average 2.5352651722252597) internal successors, (9274), 3658 states have internal predecessors, (9274), 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) [2022-02-10 23:24:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 9274 transitions. [2022-02-10 23:24:24,444 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 9274 transitions. Word has length 155 [2022-02-10 23:24:24,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:24:24,444 INFO L470 AbstractCegarLoop]: Abstraction has 3659 states and 9274 transitions. [2022-02-10 23:24:24,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-02-10 23:24:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 9274 transitions. [2022-02-10 23:24:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-10 23:24:24,451 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:24:24,451 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:24:24,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 23:24:24,452 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 23:24:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:24:24,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2085769799, now seen corresponding path program 5 times [2022-02-10 23:24:24,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:24:24,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487922654] [2022-02-10 23:24:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:24:24,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:24:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:24:24,537 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:24:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:24:24,633 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:24:24,633 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:24:24,634 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-10 23:24:24,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 23:24:24,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 23:24:24,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 23:24:24,638 INFO L733 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2022-02-10 23:24:24,641 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:24:24,642 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:24:24,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:24:24 BasicIcfg [2022-02-10 23:24:24,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:24:24,749 INFO L158 Benchmark]: Toolchain (without parser) took 8024.08ms. Allocated memory was 188.7MB in the beginning and 385.9MB in the end (delta: 197.1MB). Free memory was 128.3MB in the beginning and 275.6MB in the end (delta: -147.2MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,749 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:24:24,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.43ms. Allocated memory was 188.7MB in the beginning and 256.9MB in the end (delta: 68.2MB). Free memory was 128.1MB in the beginning and 209.5MB in the end (delta: -81.3MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.54ms. Allocated memory is still 256.9MB. Free memory was 209.5MB in the beginning and 206.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,750 INFO L158 Benchmark]: Boogie Preprocessor took 20.89ms. Allocated memory is still 256.9MB. Free memory was 206.9MB in the beginning and 205.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,750 INFO L158 Benchmark]: RCFGBuilder took 479.75ms. Allocated memory is still 256.9MB. Free memory was 205.3MB in the beginning and 189.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,750 INFO L158 Benchmark]: TraceAbstraction took 6829.40ms. Allocated memory was 256.9MB in the beginning and 385.9MB in the end (delta: 129.0MB). Free memory was 189.0MB in the beginning and 275.6MB in the end (delta: -86.5MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-02-10 23:24:24,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 644.43ms. Allocated memory was 188.7MB in the beginning and 256.9MB in the end (delta: 68.2MB). Free memory was 128.1MB in the beginning and 209.5MB in the end (delta: -81.3MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.54ms. Allocated memory is still 256.9MB. Free memory was 209.5MB in the beginning and 206.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.89ms. Allocated memory is still 256.9MB. Free memory was 206.9MB in the beginning and 205.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 479.75ms. Allocated memory is still 256.9MB. Free memory was 205.3MB in the beginning and 189.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6829.40ms. Allocated memory was 256.9MB in the beginning and 385.9MB in the end (delta: 129.0MB). Free memory was 189.0MB in the beginning and 275.6MB in the end (delta: -86.5MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 919]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L870] 0 int num; VAL [num=0] [L871] 0 unsigned long total; VAL [num=0, total=0] [L872] 0 int flag; VAL [flag=0, num=0, total=0] [L873] 0 pthread_mutex_t m; VAL [flag=0, m={3:0}, num=0, total=0] [L874] 0 pthread_cond_t empty, full; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, pthread_create(&t1, 0, thread1, 0)=-1, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, m={3:0}, num=1, total=0] [L914] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, m={3:0}, num=1, pthread_create(&t2, 0, thread2, 0)=0, t1={7:0}, t2={6:0}, total=0] [L890] 2 int j; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, m={3:0}, num=1, total=0] [L891] 2 j = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, j=0, m={3:0}, num=1, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, j=0, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, i++=0, j=0, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=0, m={3:0}, num=1, total=0] [L915] 0 \read(t1) VAL [\read(t1)=-1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=0, m={3:0}, num=1, t1={7:0}, t2={6:0}, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=0, m={3:0}, num=1, total=0] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=0, m={3:0}, num=0, total=0] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=1, m={3:0}, num=0, total=0] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, i++=0, j=1, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=0, total=0] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=1, total=0] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=1, j=1, m={3:0}, num=1, total=0] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, i++=1, j=1, m={3:0}, num=1, total=0] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, i++=1, j=1, m={3:0}, num=1, total=1] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, i++=1, j=1, m={3:0}, num=0, total=1] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, i++=1, j=2, m={3:0}, num=0, total=1] [L892] COND TRUE 2 j < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, i++=1, j=2, m={3:0}, num=0, total=1] [L878] COND TRUE 1 i < 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=0, total=1] [L882] 1 num++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=1, total=1] [L894] COND FALSE 2 !(num == 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=2, j=2, m={3:0}, num=1, total=1] [L885] 1 i++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=2, m={3:0}, num=1, total=1] [L896] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=2, m={3:0}, num=1, total=3] [L897] 2 num-- VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=2, m={3:0}, num=0, total=3] [L900] 2 j++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=3, m={3:0}, num=0, total=3] [L892] COND FALSE 2 !(j < 3) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=3, m={3:0}, num=0, total=3] [L902] 2 total = total + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=3, i++=2, j=3, m={3:0}, num=0, total=6] [L903] 2 flag = 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, i++=2, j=3, m={3:0}, num=0, total=6] [L904] 2 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, i++=2, j=3, m={3:0}, num=0, total=6] [L878] COND FALSE 1 !(i < 3) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L887] 1 return ((void *)0); VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, total=6] [L915] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] 0 \read(t2) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L916] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L917] COND TRUE 0 \read(flag) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L918] COND FALSE 0 !(total != ((3 * (3 + 1)) / 2)) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] [L919] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, empty={4:0}, flag=1, full={5:0}, i=3, j=3, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=6] - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 171 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1662 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1662 mSDsluCounter, 3642 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2617 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 428 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 1103 mSDtfsCounter, 428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 914 GetRequests, 841 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11100occurred in iteration=5, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 5262 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1393 NumberOfCodeBlocks, 1393 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1632 ConstructedInterpolants, 0 QuantifiedInterpolants, 2590 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1069 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 398/457 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-10 23:24:24,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...