/usr/bin/java -Xmx16000000000 -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/goblint-regression/13-privatized_35-traces-ex-2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 23:53:03,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 23:53:03,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 23:53:03,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-17 23:53:03,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 23:53:03,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 23:53:03,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 23:53:03,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 23:53:03,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 23:53:03,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 23:53:03,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 23:53:03,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 23:53:03,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 23:53:03,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 23:53:03,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 23:53:03,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 23:53:03,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 23:53:03,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 23:53:03,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 23:53:03,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 23:53:03,475 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 [2022-01-17 23:53:03,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 23:53:03,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 23:53:03,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 23:53:03,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 23:53:03,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 23:53:03,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 23:53:03,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 23:53:03,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 23:53:03,506 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 23:53:03,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 23:53:03,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 23:53:03,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 23:53:03,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 23:53:03,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 23:53:03,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 23:53:03,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 23:53:03,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 23:53:03,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 23:53:03,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:53:03,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 23:53:03,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 23:53:03,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 23:53:03,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 23:53:03,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 23:53:03,511 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 23:53:03,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 23:53:03,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 23:53:03,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 23:53:03,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 23:53:03,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 23:53:03,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 23:53:03,725 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 23:53:03,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2022-01-17 23:53:03,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b913ea8ac/8afc6ae49220440dabce5f1a9bd6a3e5/FLAG0e9959cfc [2022-01-17 23:53:04,186 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 23:53:04,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2022-01-17 23:53:04,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b913ea8ac/8afc6ae49220440dabce5f1a9bd6a3e5/FLAG0e9959cfc [2022-01-17 23:53:04,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b913ea8ac/8afc6ae49220440dabce5f1a9bd6a3e5 [2022-01-17 23:53:04,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 23:53:04,211 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 23:53:04,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 23:53:04,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 23:53:04,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 23:53:04,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a5f9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04, skipping insertion in model container [2022-01-17 23:53:04,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 23:53:04,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 23:53:04,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i[1088,1101] [2022-01-17 23:53:04,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:53:04,513 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 23:53:04,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i[1088,1101] [2022-01-17 23:53:04,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 23:53:04,597 INFO L208 MainTranslator]: Completed translation [2022-01-17 23:53:04,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04 WrapperNode [2022-01-17 23:53:04,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 23:53:04,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 23:53:04,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 23:53:04,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 23:53:04,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,651 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-17 23:53:04,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 23:53:04,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 23:53:04,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 23:53:04,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 23:53:04,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 23:53:04,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 23:53:04,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 23:53:04,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 23:53:04,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (1/1) ... [2022-01-17 23:53:04,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 23:53:04,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 23:53:04,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-17 23:53:04,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-17 23:53:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 23:53:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 23:53:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 23:53:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 23:53:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-17 23:53:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-17 23:53:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 23:53:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 23:53:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 23:53:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 23:53:04,746 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 23:53:04,843 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 23:53:04,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 23:53:05,015 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 23:53:05,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 23:53:05,021 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 23:53:05,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:53:05 BoogieIcfgContainer [2022-01-17 23:53:05,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 23:53:05,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 23:53:05,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 23:53:05,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 23:53:05,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 11:53:04" (1/3) ... [2022-01-17 23:53:05,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a509e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:53:05, skipping insertion in model container [2022-01-17 23:53:05,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 11:53:04" (2/3) ... [2022-01-17 23:53:05,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a509e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 11:53:05, skipping insertion in model container [2022-01-17 23:53:05,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 11:53:05" (3/3) ... [2022-01-17 23:53:05,029 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_35-traces-ex-2_true.i [2022-01-17 23:53:05,033 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 23:53:05,033 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 23:53:05,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 23:53:05,033 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 23:53:05,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,063 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 23:53:05,065 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-17 23:53:05,098 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 23:53:05,104 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 [2022-01-17 23:53:05,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-17 23:53:05,113 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 147 flow [2022-01-17 23:53:05,143 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-17 23:53:05,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:53:05,154 INFO L514 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] [2022-01-17 23:53:05,155 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-17 23:53:05,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:53:05,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1163219958, now seen corresponding path program 1 times [2022-01-17 23:53:05,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:53:05,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806823578] [2022-01-17 23:53:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:53:05,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:53:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:53:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:53:05,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:53:05,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806823578] [2022-01-17 23:53:05,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806823578] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:53:05,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:53:05,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 23:53:05,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766522696] [2022-01-17 23:53:05,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:53:05,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 23:53:05,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:53:05,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 23:53:05,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-17 23:53:05,468 INFO L87 Difference]: Start difference. First operand has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 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 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:53:05,531 INFO L93 Difference]: Finished difference Result 242 states and 412 transitions. [2022-01-17 23:53:05,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 23:53:05,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2022-01-17 23:53:05,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:53:05,540 INFO L225 Difference]: With dead ends: 242 [2022-01-17 23:53:05,540 INFO L226 Difference]: Without dead ends: 157 [2022-01-17 23:53:05,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-17 23:53:05,545 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 46 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 23:53:05,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 240 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 23:53:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-01-17 23:53:05,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-01-17 23:53:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.6282051282051282) internal successors, (254), 156 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 254 transitions. [2022-01-17 23:53:05,582 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 254 transitions. Word has length 44 [2022-01-17 23:53:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:53:05,583 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 254 transitions. [2022-01-17 23:53:05,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2022-01-17 23:53:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-17 23:53:05,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:53:05,585 INFO L514 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] [2022-01-17 23:53:05,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 23:53:05,586 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-17 23:53:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:53:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1776305511, now seen corresponding path program 1 times [2022-01-17 23:53:05,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:53:05,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036403013] [2022-01-17 23:53:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:53:05,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:53:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:53:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:53:05,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:53:05,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036403013] [2022-01-17 23:53:05,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036403013] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:53:05,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:53:05,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-17 23:53:05,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975525761] [2022-01-17 23:53:05,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:53:05,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-17 23:53:05,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:53:05,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-17 23:53:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-17 23:53:05,700 INFO L87 Difference]: Start difference. First operand 157 states and 254 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:53:05,791 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions. [2022-01-17 23:53:05,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 23:53:05,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 50 [2022-01-17 23:53:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:53:05,796 INFO L225 Difference]: With dead ends: 92 [2022-01-17 23:53:05,796 INFO L226 Difference]: Without dead ends: 66 [2022-01-17 23:53:05,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-17 23:53:05,804 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 52 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:53:05,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 253 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:53:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-01-17 23:53:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-01-17 23:53:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-01-17 23:53:05,810 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 50 [2022-01-17 23:53:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:53:05,810 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-01-17 23:53:05,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-01-17 23:53:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-17 23:53:05,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 23:53:05,812 INFO L514 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] [2022-01-17 23:53:05,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 23:53:05,812 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-17 23:53:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 23:53:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1481176972, now seen corresponding path program 1 times [2022-01-17 23:53:05,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 23:53:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342898403] [2022-01-17 23:53:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 23:53:05,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 23:53:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 23:53:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 23:53:06,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 23:53:06,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342898403] [2022-01-17 23:53:06,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342898403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 23:53:06,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 23:53:06,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-17 23:53:06,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67536831] [2022-01-17 23:53:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 23:53:06,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-17 23:53:06,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 23:53:06,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-17 23:53:06,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-17 23:53:06,076 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:06,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 23:53:06,186 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-01-17 23:53:06,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-17 23:53:06,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 51 [2022-01-17 23:53:06,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 23:53:06,187 INFO L225 Difference]: With dead ends: 58 [2022-01-17 23:53:06,187 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 23:53:06,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-01-17 23:53:06,191 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 69 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-17 23:53:06,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-17 23:53:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 23:53:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 23:53:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 23:53:06,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-01-17 23:53:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 23:53:06,193 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 23:53:06,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 23:53:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 23:53:06,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 23:53:06,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-17 23:53:06,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-17 23:53:06,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 23:53:06,199 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-17 23:53:06,202 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 23:53:06,202 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 23:53:06,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 11:53:06 BasicIcfg [2022-01-17 23:53:06,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 23:53:06,207 INFO L158 Benchmark]: Toolchain (without parser) took 1995.65ms. Allocated memory was 375.4MB in the beginning and 455.1MB in the end (delta: 79.7MB). Free memory was 321.1MB in the beginning and 330.9MB in the end (delta: -9.8MB). Peak memory consumption was 69.3MB. Max. memory is 16.0GB. [2022-01-17 23:53:06,207 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 375.4MB. Free memory is still 338.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:53:06,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.18ms. Allocated memory was 375.4MB in the beginning and 455.1MB in the end (delta: 79.7MB). Free memory was 320.9MB in the beginning and 421.1MB in the end (delta: -100.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.0GB. [2022-01-17 23:53:06,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.85ms. Allocated memory is still 455.1MB. Free memory was 421.1MB in the beginning and 419.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 23:53:06,208 INFO L158 Benchmark]: Boogie Preprocessor took 17.86ms. Allocated memory is still 455.1MB. Free memory was 419.0MB in the beginning and 417.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 23:53:06,208 INFO L158 Benchmark]: RCFGBuilder took 351.80ms. Allocated memory is still 455.1MB. Free memory was 417.9MB in the beginning and 403.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 23:53:06,209 INFO L158 Benchmark]: TraceAbstraction took 1182.34ms. Allocated memory is still 455.1MB. Free memory was 402.2MB in the beginning and 330.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.0GB. [2022-01-17 23:53:06,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 375.4MB. Free memory is still 338.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 382.18ms. Allocated memory was 375.4MB in the beginning and 455.1MB in the end (delta: 79.7MB). Free memory was 320.9MB in the beginning and 421.1MB in the end (delta: -100.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.85ms. Allocated memory is still 455.1MB. Free memory was 421.1MB in the beginning and 419.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 17.86ms. Allocated memory is still 455.1MB. Free memory was 419.0MB in the beginning and 417.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 351.80ms. Allocated memory is still 455.1MB. Free memory was 417.9MB in the beginning and 403.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1182.34ms. Allocated memory is still 455.1MB. Free memory was 402.2MB in the beginning and 330.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.0GB. * 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 692 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 173 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-17 23:53:06,250 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...