/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 12:29:15,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 12:29:15,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 12:29:15,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 12:29:15,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 12:29:15,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 12:29:15,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 12:29:15,627 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 [2022-01-28 12:29:15,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 12:29:15,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 12:29:15,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 12:29:15,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 12:29:15,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 12:29:15,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 12:29:15,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 12:29:15,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 12:29:15,653 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 12:29:15,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 12:29:15,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 12:29:15,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:29:15,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 12:29:15,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 12:29:15,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 12:29:15,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 12:29:15,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 12:29:15,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 12:29:15,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 12:29:15,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 12:29:15,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 12:29:15,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 12:29:15,875 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 12:29:15,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-01-28 12:29:15,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014c368c7/66221a50443c492a9a1021e7ac1841ae/FLAGa3d6e637a [2022-01-28 12:29:16,301 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 12:29:16,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-01-28 12:29:16,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014c368c7/66221a50443c492a9a1021e7ac1841ae/FLAGa3d6e637a [2022-01-28 12:29:16,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014c368c7/66221a50443c492a9a1021e7ac1841ae [2022-01-28 12:29:16,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 12:29:16,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 12:29:16,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 12:29:16,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 12:29:16,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 12:29:16,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:29:16" (1/1) ... [2022-01-28 12:29:16,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a584ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:16, skipping insertion in model container [2022-01-28 12:29:16,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:29:16" (1/1) ... [2022-01-28 12:29:16,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 12:29:16,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 12:29:16,902 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_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-01-28 12:29:17,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:29:17,012 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 12:29:17,022 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_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-01-28 12:29:17,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:29:17,067 INFO L208 MainTranslator]: Completed translation [2022-01-28 12:29:17,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17 WrapperNode [2022-01-28 12:29:17,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 12:29:17,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 12:29:17,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 12:29:17,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 12:29:17,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,099 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-28 12:29:17,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 12:29:17,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 12:29:17,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 12:29:17,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 12:29:17,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 12:29:17,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 12:29:17,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 12:29:17,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 12:29:17,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (1/1) ... [2022-01-28 12:29:17,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:29:17,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 12:29:17,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 12:29:17,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 12:29:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 12:29:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 12:29:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 12:29:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 12:29:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 12:29:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 12:29:17,177 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 12:29:17,279 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 12:29:17,280 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 12:29:17,435 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 12:29:17,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 12:29:17,440 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 12:29:17,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:29:17 BoogieIcfgContainer [2022-01-28 12:29:17,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 12:29:17,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 12:29:17,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 12:29:17,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 12:29:17,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:29:16" (1/3) ... [2022-01-28 12:29:17,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a31819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:29:17, skipping insertion in model container [2022-01-28 12:29:17,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:29:17" (2/3) ... [2022-01-28 12:29:17,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a31819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:29:17, skipping insertion in model container [2022-01-28 12:29:17,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:29:17" (3/3) ... [2022-01-28 12:29:17,460 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-01-28 12:29:17,463 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 12:29:17,463 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 12:29:17,463 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 12:29:17,463 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 12:29:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,500 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:29:17,507 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-28 12:29:17,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 12:29:17,555 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 [2022-01-28 12:29:17,555 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-28 12:29:17,567 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-01-28 12:29:17,604 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-28 12:29:17,615 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:29:17,616 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] [2022-01-28 12:29:17,616 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 12:29:17,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:29:17,620 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-01-28 12:29:17,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:29:17,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202303416] [2022-01-28 12:29:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:29:17,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:29:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:29:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:29:17,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:29:17,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202303416] [2022-01-28 12:29:17,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202303416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:29:17,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:29:17,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 12:29:17,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89760812] [2022-01-28 12:29:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:29:17,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 12:29:17,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:29:17,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 12:29:17,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 12:29:17,900 INFO L87 Difference]: Start difference. First operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:29:17,987 INFO L93 Difference]: Finished difference Result 212 states and 354 transitions. [2022-01-28 12:29:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 12:29:17,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 42 [2022-01-28 12:29:17,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:29:17,998 INFO L225 Difference]: With dead ends: 212 [2022-01-28 12:29:17,998 INFO L226 Difference]: Without dead ends: 137 [2022-01-28 12:29:17,999 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 [2022-01-28 12:29:18,003 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 46 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 232 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 [2022-01-28 12:29:18,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 232 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:29:18,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-01-28 12:29:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-01-28 12:29:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.588235294117647) internal successors, (216), 136 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 216 transitions. [2022-01-28 12:29:18,044 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 216 transitions. Word has length 42 [2022-01-28 12:29:18,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:29:18,044 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 216 transitions. [2022-01-28 12:29:18,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2022-01-28 12:29:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-28 12:29:18,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:29:18,046 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] [2022-01-28 12:29:18,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 12:29:18,046 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 12:29:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:29:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1191502746, now seen corresponding path program 1 times [2022-01-28 12:29:18,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:29:18,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466563634] [2022-01-28 12:29:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:29:18,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:29:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:29:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:29:18,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:29:18,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466563634] [2022-01-28 12:29:18,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466563634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:29:18,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:29:18,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:29:18,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23149904] [2022-01-28 12:29:18,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:29:18,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:29:18,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:29:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:29:18,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:29:18,089 INFO L87 Difference]: Start difference. First operand 137 states and 216 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:18,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:29:18,105 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2022-01-28 12:29:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:29:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-01-28 12:29:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:29:18,106 INFO L225 Difference]: With dead ends: 82 [2022-01-28 12:29:18,106 INFO L226 Difference]: Without dead ends: 64 [2022-01-28 12:29:18,106 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 [2022-01-28 12:29:18,107 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:29:18,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:29:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-01-28 12:29:18,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-01-28 12:29:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 63 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:18,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2022-01-28 12:29:18,118 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 48 [2022-01-28 12:29:18,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:29:18,118 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2022-01-28 12:29:18,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:29:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-01-28 12:29:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-28 12:29:18,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:29:18,124 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] [2022-01-28 12:29:18,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 12:29:18,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 12:29:18,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:29:18,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1925525721, now seen corresponding path program 1 times [2022-01-28 12:29:18,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:29:18,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059274232] [2022-01-28 12:29:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:29:18,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:29:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 12:29:18,169 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 12:29:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 12:29:18,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 12:29:18,213 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 12:29:18,215 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-28 12:29:18,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-28 12:29:18,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 12:29:18,219 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-28 12:29:18,223 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 12:29:18,223 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 12:29:18,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 12:29:18 BasicIcfg [2022-01-28 12:29:18,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 12:29:18,269 INFO L158 Benchmark]: Toolchain (without parser) took 1596.34ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 78.2MB in the end (delta: 49.8MB). Peak memory consumption was 49.0MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,269 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 12:29:18,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 180.4MB. Free memory was 127.9MB in the beginning and 147.9MB in the end (delta: -20.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.26ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,270 INFO L158 Benchmark]: Boogie Preprocessor took 25.63ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,271 INFO L158 Benchmark]: RCFGBuilder took 321.68ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 132.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,271 INFO L158 Benchmark]: TraceAbstraction took 819.34ms. Allocated memory is still 180.4MB. Free memory was 132.2MB in the beginning and 78.2MB in the end (delta: 54.0MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2022-01-28 12:29:18,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 180.4MB. Free memory was 127.9MB in the beginning and 147.9MB in the end (delta: -20.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.26ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.63ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 321.68ms. Allocated memory is still 180.4MB. Free memory was 144.8MB in the beginning and 132.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 819.34ms. Allocated memory is still 180.4MB. Free memory was 132.2MB in the beginning and 78.2MB in the end (delta: 54.0MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 136 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-28 12:29:18,297 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...