/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:07:20,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:07:20,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:07:20,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:07:20,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:07:20,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:07:20,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:07:20,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:07:20,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:07:20,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:07:20,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:07:20,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:07:20,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:07:20,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:07:20,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:07:20,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:07:20,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:07:20,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:07:20,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:07:20,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:07:20,115 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-PN-NoLbe.epf [2021-10-16 23:07:20,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:07:20,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:07:20,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:07:20,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:07:20,128 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:07:20,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:07:20,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:07:20,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:07:20,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:07:20,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:07:20,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:20,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:07:20,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:07:20,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:07:20,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:07:20,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:07:20,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:07:20,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:07:20,284 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:07:20,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i [2021-10-16 23:07:20,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deaa1213/241859ac4bd948a596f70e6f4e7d9b5b/FLAGd7377a6a7 [2021-10-16 23:07:20,758 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:07:20,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_01-thread_unique.i [2021-10-16 23:07:20,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deaa1213/241859ac4bd948a596f70e6f4e7d9b5b/FLAGd7377a6a7 [2021-10-16 23:07:21,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deaa1213/241859ac4bd948a596f70e6f4e7d9b5b [2021-10-16 23:07:21,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:07:21,098 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:07:21,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:21,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:07:21,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:07:21,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4efda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21, skipping insertion in model container [2021-10-16 23:07:21,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:07:21,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:07:21,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:21,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:07:21,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:21,569 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:07:21,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21 WrapperNode [2021-10-16 23:07:21,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:21,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:21,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:07:21,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:07:21,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:21,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:07:21,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:07:21,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:07:21,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:07:21,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:07:21,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:07:21,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:07:21,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (1/1) ... [2021-10-16 23:07:21,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:21,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:07:21,706 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) [2021-10-16 23:07:21,730 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 [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:07:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:07:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:07:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:07:21,771 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:07:21,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:07:21,904 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 23:07:21,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:21 BoogieIcfgContainer [2021-10-16 23:07:21,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:07:21,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:07:21,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:07:21,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:07:21,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:07:21" (1/3) ... [2021-10-16 23:07:21,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d71f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:21, skipping insertion in model container [2021-10-16 23:07:21,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:21" (2/3) ... [2021-10-16 23:07:21,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d71f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:21, skipping insertion in model container [2021-10-16 23:07:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:21" (3/3) ... [2021-10-16 23:07:21,909 INFO L111 eAbstractionObserver]: Analyzing ICFG 10-synch_01-thread_unique.i [2021-10-16 23:07:21,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:07:21,912 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 23:07:21,913 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:07:21,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,936 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 23:07:21,962 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:07:21,966 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=false, mConcurrency=PETRI_NET, 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 [2021-10-16 23:07:21,966 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 23:07:21,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 82 flow [2021-10-16 23:07:21,987 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-10-16 23:07:21,987 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:07:21,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 36 events. 0/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-16 23:07:21,988 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 37 transitions, 82 flow [2021-10-16 23:07:21,990 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 24 transitions, 51 flow [2021-10-16 23:07:21,995 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-10-16 23:07:21,995 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:21,996 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:21,996 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:21,996 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:07:21,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:21,999 INFO L82 PathProgramCache]: Analyzing trace with hash 907111458, now seen corresponding path program 1 times [2021-10-16 23:07:22,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951113718] [2021-10-16 23:07:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:22,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951113718] [2021-10-16 23:07:22,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951113718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:22,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325436199] [2021-10-16 23:07:22,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:22,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:22,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:22,174 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 37 [2021-10-16 23:07:22,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 37 [2021-10-16 23:07:22,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,206 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-10-16 23:07:22,206 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:07:22,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 23 events. 0/23 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-10-16 23:07:22,207 INFO L132 encePairwiseOnDemand]: 35/37 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2021-10-16 23:07:22,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 55 flow [2021-10-16 23:07:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2021-10-16 23:07:22,216 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8738738738738738 [2021-10-16 23:07:22,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 97 transitions. [2021-10-16 23:07:22,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 97 transitions. [2021-10-16 23:07:22,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 97 transitions. [2021-10-16 23:07:22,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-10-16 23:07:22,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-10-16 23:07:22,231 INFO L186 Difference]: Start difference. First operand has 28 places, 24 transitions, 51 flow. Second operand 3 states and 97 transitions. [2021-10-16 23:07:22,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 55 flow [2021-10-16 23:07:22,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:07:22,235 INFO L242 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2021-10-16 23:07:22,237 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2021-10-16 23:07:22,237 INFO L334 CegarLoopForPetriNet]: 28 programPoint places, 0 predicate places. [2021-10-16 23:07:22,238 INFO L470 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2021-10-16 23:07:22,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:07:22,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:22,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:22,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:07:22,246 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:07:22,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:07:22,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:07:22 BasicIcfg [2021-10-16 23:07:22,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:07:22,254 INFO L168 Benchmark]: Toolchain (without parser) took 1154.68 ms. Allocated memory is still 225.4 MB. Free memory was 173.8 MB in the beginning and 147.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,255 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 225.4 MB. Free memory is still 191.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:07:22,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.94 ms. Allocated memory is still 225.4 MB. Free memory was 173.6 MB in the beginning and 186.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.61 ms. Allocated memory is still 225.4 MB. Free memory was 186.9 MB in the beginning and 184.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,257 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 ms. Allocated memory is still 225.4 MB. Free memory was 184.9 MB in the beginning and 183.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,262 INFO L168 Benchmark]: RCFGBuilder took 266.47 ms. Allocated memory is still 225.4 MB. Free memory was 183.9 MB in the beginning and 173.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,264 INFO L168 Benchmark]: TraceAbstraction took 346.47 ms. Allocated memory is still 225.4 MB. Free memory was 172.9 MB in the beginning and 147.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:22,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 225.4 MB. Free memory is still 191.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 466.94 ms. Allocated memory is still 225.4 MB. Free memory was 173.6 MB in the beginning and 186.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.61 ms. Allocated memory is still 225.4 MB. Free memory was 186.9 MB in the beginning and 184.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.07 ms. Allocated memory is still 225.4 MB. Free memory was 184.9 MB in the beginning and 183.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 266.47 ms. Allocated memory is still 225.4 MB. Free memory was 183.9 MB in the beginning and 173.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 346.47 ms. Allocated memory is still 225.4 MB. Free memory was 172.9 MB in the beginning and 147.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 284.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 70.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 25.5ms SatisfiabilityAnalysisTime, 65.6ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 23:07:22,304 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...