/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_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:58:34,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:58:34,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:58:34,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 21:58:34,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:58:34,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:58:34,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:58:34,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 21:58:34,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:58:34,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:58:34,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:58:34,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:58:34,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:58:34,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:58:34,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:58:34,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:58:34,955 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:58:34,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:58:34,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:58:34,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:58:34,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:58:34,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:58:34,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:58:34,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:58:34,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:58:34,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:58:34,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:58:35,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:58:35,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:58:35,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:58:35,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:58:35,150 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:58:35,151 INFO L432 ainManager$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_neg.i [2022-02-10 21:58:35,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e864e3875/efdf99437cbd4b53961b3d378a962618/FLAG3d38d038c [2022-02-10 21:58:35,566 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:58:35,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-10 21:58:35,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e864e3875/efdf99437cbd4b53961b3d378a962618/FLAG3d38d038c [2022-02-10 21:58:35,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e864e3875/efdf99437cbd4b53961b3d378a962618 [2022-02-10 21:58:35,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:58:35,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:58:35,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:58:35,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:58:35,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:58:35,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:35,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fa8f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35, skipping insertion in model container [2022-02-10 21:58:35,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:35,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:58:35,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:58:35,813 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_neg.i[1103,1116] [2022-02-10 21:58:35,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:58:35,932 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:58:35,942 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_neg.i[1103,1116] [2022-02-10 21:58:35,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:58:35,983 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:58:35,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35 WrapperNode [2022-02-10 21:58:35,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:58:35,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:58:35,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:58:35,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:58:35,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,018 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-10 21:58:36,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:58:36,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:58:36,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:58:36,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:58:36,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:58:36,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:58:36,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:58:36,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:58:36,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (1/1) ... [2022-02-10 21:58:36,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:58:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:58:36,086 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 21:58:36,100 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 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:58:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 21:58:36,119 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 21:58:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:58:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:58:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:58:36,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:58:36,123 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 21:58:36,220 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:58:36,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:58:36,346 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:58:36,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:58:36,351 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:58:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:58:36 BoogieIcfgContainer [2022-02-10 21:58:36,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:58:36,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:58:36,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:58:36,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:58:36,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:58:35" (1/3) ... [2022-02-10 21:58:36,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74854ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:58:36, skipping insertion in model container [2022-02-10 21:58:36,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:58:35" (2/3) ... [2022-02-10 21:58:36,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74854ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:58:36, skipping insertion in model container [2022-02-10 21:58:36,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:58:36" (3/3) ... [2022-02-10 21:58:36,359 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-02-10 21:58:36,363 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:58:36,363 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:58:36,363 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 21:58:36,364 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:58:36,389 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,390 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:58:36,398 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 21:58:36,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:58:36,436 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:58:36,436 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-10 21:58:36,442 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-02-10 21:58:36,465 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) [2022-02-10 21:58:36,467 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) [2022-02-10 21:58:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-10 21:58:36,473 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:58:36,473 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:58:36,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-10 21:58:36,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:58:36,477 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-10 21:58:36,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:58:36,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033025428] [2022-02-10 21:58:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:58:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:58:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:58:36,565 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 21:58:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 21:58:36,628 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 21:58:36,630 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 21:58:36,630 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-10 21:58:36,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-10 21:58:36,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:58:36,636 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-10 21:58:36,638 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:58:36,639 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:58:36,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:58:36 BasicIcfg [2022-02-10 21:58:36,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:58:36,678 INFO L158 Benchmark]: Toolchain (without parser) took 1088.60ms. Allocated memory is still 218.1MB. Free memory was 166.2MB in the beginning and 146.0MB in the end (delta: 20.2MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,678 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 218.1MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:58:36,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.92ms. Allocated memory is still 218.1MB. Free memory was 166.0MB in the beginning and 185.8MB in the end (delta: -19.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.12ms. Allocated memory is still 218.1MB. Free memory was 185.8MB in the beginning and 183.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,680 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 218.1MB. Free memory was 183.7MB in the beginning and 182.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,680 INFO L158 Benchmark]: RCFGBuilder took 302.70ms. Allocated memory is still 218.1MB. Free memory was 182.7MB in the beginning and 170.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,680 INFO L158 Benchmark]: TraceAbstraction took 324.39ms. Allocated memory is still 218.1MB. Free memory was 169.6MB in the beginning and 146.0MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-02-10 21:58:36,682 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 218.1MB. Free memory is still 183.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 380.92ms. Allocated memory is still 218.1MB. Free memory was 166.0MB in the beginning and 185.8MB in the end (delta: -19.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.12ms. Allocated memory is still 218.1MB. Free memory was 185.8MB in the beginning and 183.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 218.1MB. Free memory was 183.7MB in the beginning and 182.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 302.70ms. Allocated memory is still 218.1MB. Free memory was 182.7MB in the beginning and 170.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 324.39ms. Allocated memory is still 218.1MB. Free memory was 169.6MB in the beginning and 146.0MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. 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] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-02-10 21:58:36,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...