/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 01:52:20,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 01:52:20,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 01:52:20,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 01:52:20,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 01:52:20,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 01:52:20,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 01:52:20,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 01:52:20,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 01:52:20,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 01:52:20,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 01:52:20,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 01:52:20,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 01:52:20,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 01:52:20,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 01:52:20,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 01:52:20,479 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 01:52:20,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 01:52:20,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 01:52:20,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:52:20,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 01:52:20,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 01:52:20,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 01:52:20,482 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 01:52:20,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 01:52:20,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 01:52:20,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 01:52:20,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 01:52:20,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 01:52:20,708 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 01:52:20,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-10 01:52:20,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86cf9bced/018013d6da084032bd8a42e7f27aee40/FLAG73df20853 [2022-02-10 01:52:21,178 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 01:52:21,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-10 01:52:21,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86cf9bced/018013d6da084032bd8a42e7f27aee40/FLAG73df20853 [2022-02-10 01:52:21,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86cf9bced/018013d6da084032bd8a42e7f27aee40 [2022-02-10 01:52:21,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 01:52:21,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 01:52:21,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 01:52:21,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 01:52:21,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 01:52:21,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:21,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd3b8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21, skipping insertion in model container [2022-02-10 01:52:21,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:21,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 01:52:21,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 01:52:21,809 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_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-02-10 01:52:21,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:52:21,897 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 01:52:21,909 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_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-02-10 01:52:21,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:52:21,991 INFO L208 MainTranslator]: Completed translation [2022-02-10 01:52:21,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21 WrapperNode [2022-02-10 01:52:21,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 01:52:21,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 01:52:21,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 01:52:21,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 01:52:21,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,041 INFO L137 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-02-10 01:52:22,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 01:52:22,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 01:52:22,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 01:52:22,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 01:52:22,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 01:52:22,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 01:52:22,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 01:52:22,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 01:52:22,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (1/1) ... [2022-02-10 01:52:22,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:52:22,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 01:52:22,092 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 01:52:22,094 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 01:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 01:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 01:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 01:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 01:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 01:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 01:52:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 01:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 01:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 01:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 01:52:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 01:52:22,140 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 01:52:22,261 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 01:52:22,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 01:52:22,479 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 01:52:22,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 01:52:22,485 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 01:52:22,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:22 BoogieIcfgContainer [2022-02-10 01:52:22,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 01:52:22,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 01:52:22,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 01:52:22,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 01:52:22,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:52:21" (1/3) ... [2022-02-10 01:52:22,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a91fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:22, skipping insertion in model container [2022-02-10 01:52:22,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:21" (2/3) ... [2022-02-10 01:52:22,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a91fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:22, skipping insertion in model container [2022-02-10 01:52:22,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:22" (3/3) ... [2022-02-10 01:52:22,493 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-02-10 01:52:22,497 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 01:52:22,497 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 01:52:22,498 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 01:52:22,498 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 01:52:22,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,532 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,532 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:22,536 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 01:52:22,565 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 01:52:22,569 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, mLazyFiniteAutomaton=false, 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 01:52:22,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 01:52:22,577 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 100 transitions, 208 flow [2022-02-10 01:52:22,626 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 543 states, 541 states have (on average 1.8835489833641406) internal successors, (1019), 542 states have internal predecessors, (1019), 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 01:52:28,505 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 211136 transitions and produced 118980 states. [2022-02-10 01:52:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 118980 states, 99236 states have (on average 1.3305957515417792) internal successors, (132043), 118979 states have internal predecessors, (132043), 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 01:52:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-10 01:52:29,486 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:29,486 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] [2022-02-10 01:52:29,487 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 01:52:29,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:29,499 INFO L85 PathProgramCache]: Analyzing trace with hash 183106416, now seen corresponding path program 1 times [2022-02-10 01:52:29,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:29,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701510768] [2022-02-10 01:52:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:29,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:29,835 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 01:52:29,835 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:29,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701510768] [2022-02-10 01:52:29,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701510768] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:29,837 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:29,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 01:52:29,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206976622] [2022-02-10 01:52:29,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:29,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 01:52:29,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 01:52:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 01:52:31,144 INFO L87 Difference]: Start difference. First operand has 118980 states, 99236 states have (on average 1.3305957515417792) internal successors, (132043), 118979 states have internal predecessors, (132043), 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 10.2) internal successors, (51), 5 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) [2022-02-10 01:52:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:32,815 INFO L93 Difference]: Finished difference Result 61906 states and 67342 transitions. [2022-02-10 01:52:32,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 01:52:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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 [2022-02-10 01:52:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:32,908 INFO L225 Difference]: With dead ends: 61906 [2022-02-10 01:52:32,909 INFO L226 Difference]: Without dead ends: 6543 [2022-02-10 01:52:32,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-10 01:52:32,912 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 115 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:32,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 330 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6543 states. [2022-02-10 01:52:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6543 to 238. [2022-02-10 01:52:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.173728813559322) internal successors, (277), 237 states have internal predecessors, (277), 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 01:52:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 277 transitions. [2022-02-10 01:52:32,987 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 277 transitions. Word has length 51 [2022-02-10 01:52:32,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:32,988 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 277 transitions. [2022-02-10 01:52:32,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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) [2022-02-10 01:52:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 277 transitions. [2022-02-10 01:52:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-10 01:52:32,989 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:32,989 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:32,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 01:52:32,990 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 01:52:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1598961170, now seen corresponding path program 1 times [2022-02-10 01:52:32,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:32,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605172445] [2022-02-10 01:52:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:32,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:33,031 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 01:52:33,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:33,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605172445] [2022-02-10 01:52:33,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605172445] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:33,032 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:33,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 01:52:33,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153146399] [2022-02-10 01:52:33,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:33,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 01:52:33,033 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:33,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 01:52:33,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 01:52:33,034 INFO L87 Difference]: Start difference. First operand 238 states and 277 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 01:52:33,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:33,063 INFO L93 Difference]: Finished difference Result 200 states and 221 transitions. [2022-02-10 01:52:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 01:52:33,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2022-02-10 01:52:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:33,064 INFO L225 Difference]: With dead ends: 200 [2022-02-10 01:52:33,064 INFO L226 Difference]: Without dead ends: 177 [2022-02-10 01:52:33,064 INFO L932 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 01:52:33,065 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 25 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:33,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 123 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-02-10 01:52:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 173. [2022-02-10 01:52:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 170 states have (on average 1.111764705882353) internal successors, (189), 172 states have internal predecessors, (189), 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 01:52:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 189 transitions. [2022-02-10 01:52:33,070 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 189 transitions. Word has length 59 [2022-02-10 01:52:33,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:33,070 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 189 transitions. [2022-02-10 01:52:33,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 01:52:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 189 transitions. [2022-02-10 01:52:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-10 01:52:33,072 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:33,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:33,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 01:52:33,072 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 01:52:33,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:33,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1038537672, now seen corresponding path program 1 times [2022-02-10 01:52:33,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:33,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787229654] [2022-02-10 01:52:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:33,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:33,192 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 01:52:33,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:33,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787229654] [2022-02-10 01:52:33,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787229654] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:33,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:33,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 01:52:33,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839180461] [2022-02-10 01:52:33,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:33,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 01:52:33,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:33,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 01:52:33,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-10 01:52:33,196 INFO L87 Difference]: Start difference. First operand 173 states and 189 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 01:52:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:33,266 INFO L93 Difference]: Finished difference Result 155 states and 168 transitions. [2022-02-10 01:52:33,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 01:52:33,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 60 [2022-02-10 01:52:33,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:33,268 INFO L225 Difference]: With dead ends: 155 [2022-02-10 01:52:33,268 INFO L226 Difference]: Without dead ends: 142 [2022-02-10 01:52:33,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:33,272 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 85 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:33,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 164 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 01:52:33,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-02-10 01:52:33,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-02-10 01:52:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.1) internal successors, (154), 141 states have internal predecessors, (154), 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 01:52:33,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 154 transitions. [2022-02-10 01:52:33,279 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 154 transitions. Word has length 60 [2022-02-10 01:52:33,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:33,280 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 154 transitions. [2022-02-10 01:52:33,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 01:52:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 154 transitions. [2022-02-10 01:52:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-10 01:52:33,281 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:33,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:33,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 01:52:33,281 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 01:52:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1810129878, now seen corresponding path program 1 times [2022-02-10 01:52:33,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:33,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722983237] [2022-02-10 01:52:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:33,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:33,361 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 01:52:33,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:33,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722983237] [2022-02-10 01:52:33,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722983237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:33,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:33,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 01:52:33,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568958167] [2022-02-10 01:52:33,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:33,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 01:52:33,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 01:52:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-10 01:52:33,363 INFO L87 Difference]: Start difference. First operand 142 states and 154 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 01:52:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:33,412 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2022-02-10 01:52:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 01:52:33,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 71 [2022-02-10 01:52:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:33,413 INFO L225 Difference]: With dead ends: 105 [2022-02-10 01:52:33,413 INFO L226 Difference]: Without dead ends: 104 [2022-02-10 01:52:33,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:33,414 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 106 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:33,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 121 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:33,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-02-10 01:52:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-02-10 01:52:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.087378640776699) internal successors, (112), 103 states have internal predecessors, (112), 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 01:52:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2022-02-10 01:52:33,418 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 71 [2022-02-10 01:52:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:33,418 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2022-02-10 01:52:33,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 01:52:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2022-02-10 01:52:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-10 01:52:33,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:33,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:33,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 01:52:33,420 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 01:52:33,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -518475896, now seen corresponding path program 1 times [2022-02-10 01:52:33,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:33,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799308708] [2022-02-10 01:52:33,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:33,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:33,543 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 01:52:33,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:33,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799308708] [2022-02-10 01:52:33,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799308708] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:33,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:33,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 01:52:33,544 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799908250] [2022-02-10 01:52:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:33,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 01:52:33,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:33,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 01:52:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:33,545 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 01:52:33,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:33,604 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-02-10 01:52:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 01:52:33,604 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 72 [2022-02-10 01:52:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:33,605 INFO L225 Difference]: With dead ends: 84 [2022-02-10 01:52:33,605 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 01:52:33,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-10 01:52:33,606 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 125 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:33,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 122 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:33,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 01:52:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 01:52:33,607 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) [2022-02-10 01:52:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 01:52:33,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2022-02-10 01:52:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:33,607 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 01:52:33,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 01:52:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 01:52:33,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 01:52:33,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-10 01:52:33,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-10 01:52:33,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 01:52:33,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 01:52:33,612 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 01:52:33,613 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 01:52:33,613 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 01:52:33,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:52:33 BasicIcfg [2022-02-10 01:52:33,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 01:52:33,615 INFO L158 Benchmark]: Toolchain (without parser) took 12077.69ms. Allocated memory was 213.9MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 161.1MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 719.8MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,615 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 213.9MB. Free memory is still 179.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 01:52:33,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.99ms. Allocated memory is still 213.9MB. Free memory was 161.0MB in the beginning and 180.2MB in the end (delta: -19.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.02ms. Allocated memory is still 213.9MB. Free memory was 180.2MB in the beginning and 178.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,616 INFO L158 Benchmark]: Boogie Preprocessor took 24.24ms. Allocated memory is still 213.9MB. Free memory was 178.1MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,616 INFO L158 Benchmark]: RCFGBuilder took 419.04ms. Allocated memory is still 213.9MB. Free memory was 177.0MB in the beginning and 163.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,616 INFO L158 Benchmark]: TraceAbstraction took 11127.32ms. Allocated memory was 213.9MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 162.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 722.0MB. Max. memory is 8.0GB. [2022-02-10 01:52:33,617 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 213.9MB. Free memory is still 179.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 442.99ms. Allocated memory is still 213.9MB. Free memory was 161.0MB in the beginning and 180.2MB in the end (delta: -19.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.02ms. Allocated memory is still 213.9MB. Free memory was 180.2MB in the beginning and 178.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.24ms. Allocated memory is still 213.9MB. Free memory was 178.1MB in the beginning and 177.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 419.04ms. Allocated memory is still 213.9MB. Free memory was 177.0MB in the beginning and 163.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11127.32ms. Allocated memory was 213.9MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 162.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 722.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 118 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, PartialOrderReductionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 456 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 456 mSDsluCounter, 860 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 512 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 356 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118980occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6309 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 1199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 01:52:33,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...