./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:07:46,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:07:46,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:07:46,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:07:46,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:07:46,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:07:46,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:07:46,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:07:46,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:07:46,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:07:46,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:07:46,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:07:46,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:07:46,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:07:46,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:07:46,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:07:46,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:07:46,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:07:46,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:07:46,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:07:46,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:07:46,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:07:46,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:07:46,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:07:46,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:07:46,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:07:46,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:07:46,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:07:46,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:07:46,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:07:46,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:07:46,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:07:46,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:07:46,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:07:46,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:07:46,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:07:46,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:07:46,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:07:46,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:07:46,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:07:46,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:07:46,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 23:07:46,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:07:46,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:07:46,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:07:46,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:07:46,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:07:46,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:07:46,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:07:46,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:07:46,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:07:46,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:07:46,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:07:46,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:07:46,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:07:46,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:07:46,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:07:46,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:07:46,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:07:46,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:07:46,835 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41db91eef6d6907cd33ee0e53afae152e76d8df255e37a51bd770d30500bb6fe [2021-12-06 23:07:47,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:07:47,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:07:47,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:07:47,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:07:47,025 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:07:47,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-12-06 23:07:47,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/data/6fca351b5/e72148a9ee074ed8ad44e8cb90386914/FLAGeb14e8ed0 [2021-12-06 23:07:47,520 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:07:47,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/sv-benchmarks/c/goblint-regression/04-mutex_21-sound_base.i [2021-12-06 23:07:47,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/data/6fca351b5/e72148a9ee074ed8ad44e8cb90386914/FLAGeb14e8ed0 [2021-12-06 23:07:47,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/data/6fca351b5/e72148a9ee074ed8ad44e8cb90386914 [2021-12-06 23:07:47,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:07:47,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:07:47,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:07:47,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:07:47,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:07:47,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:47,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26119777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47, skipping insertion in model container [2021-12-06 23:07:47,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:47,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:07:47,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:07:47,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:07:47,927 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:07:47,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:07:47,995 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:07:47,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47 WrapperNode [2021-12-06 23:07:47,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:07:47,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:07:47,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:07:47,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:07:48,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,033 INFO L137 Inliner]: procedures = 264, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2021-12-06 23:07:48,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:07:48,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:07:48,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:07:48,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:07:48,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:07:48,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:07:48,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:07:48,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:07:48,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (1/1) ... [2021-12-06 23:07:48,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:07:48,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:07:48,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:07:48,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:07:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 23:07:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:07:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:07:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:07:48,116 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:07:48,203 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:07:48,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:07:48,285 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:07:48,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:07:48,290 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:07:48,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:07:48 BoogieIcfgContainer [2021-12-06 23:07:48,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:07:48,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:07:48,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:07:48,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:07:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:07:47" (1/3) ... [2021-12-06 23:07:48,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ff07b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:07:48, skipping insertion in model container [2021-12-06 23:07:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:47" (2/3) ... [2021-12-06 23:07:48,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ff07b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:07:48, skipping insertion in model container [2021-12-06 23:07:48,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:07:48" (3/3) ... [2021-12-06 23:07:48,298 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.i [2021-12-06 23:07:48,301 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:07:48,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:07:48,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-12-06 23:07:48,302 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:07:48,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:07:48,337 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 23:07:48,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:07:48,378 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=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 [2021-12-06 23:07:48,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-12-06 23:07:48,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 149 flow [2021-12-06 23:07:48,414 INFO L129 PetriNetUnfolder]: 1/71 cut-off events. [2021-12-06 23:07:48,415 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:07:48,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-12-06 23:07:48,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 72 transitions, 149 flow [2021-12-06 23:07:48,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 71 transitions, 145 flow [2021-12-06 23:07:48,427 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-12-06 23:07:48,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:07:48,427 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:07:48,428 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-06 23:07:48,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-12-06 23:07:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:48,432 INFO L85 PathProgramCache]: Analyzing trace with hash 390784551, now seen corresponding path program 1 times [2021-12-06 23:07:48,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:48,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626706726] [2021-12-06 23:07:48,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:48,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:48,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:48,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626706726] [2021-12-06 23:07:48,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626706726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:48,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:48,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:07:48,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334067963] [2021-12-06 23:07:48,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:48,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:07:48,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:07:48,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:07:48,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:07:48,659 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 72 [2021-12-06 23:07:48,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2021-12-06 23:07:48,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:07:48,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 72 [2021-12-06 23:07:48,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:07:48,722 INFO L129 PetriNetUnfolder]: 13/191 cut-off events. [2021-12-06 23:07:48,722 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 23:07:48,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 191 events. 13/191 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 837 event pairs, 2 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 196. Up to 16 conditions per place. [2021-12-06 23:07:48,725 INFO L132 encePairwiseOnDemand]: 68/72 looper letters, 8 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2021-12-06 23:07:48,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 75 transitions, 175 flow [2021-12-06 23:07:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:07:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:07:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 207 transitions. [2021-12-06 23:07:48,735 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2021-12-06 23:07:48,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 207 transitions. [2021-12-06 23:07:48,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 207 transitions. [2021-12-06 23:07:48,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:07:48,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 207 transitions. [2021-12-06 23:07:48,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2021-12-06 23:07:48,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2021-12-06 23:07:48,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2021-12-06 23:07:48,747 INFO L186 Difference]: Start difference. First operand has 74 places, 71 transitions, 145 flow. Second operand 3 states and 207 transitions. [2021-12-06 23:07:48,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 75 transitions, 175 flow [2021-12-06 23:07:48,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 75 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:07:48,753 INFO L242 Difference]: Finished difference. Result has 77 places, 73 transitions, 166 flow [2021-12-06 23:07:48,755 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=77, PETRI_TRANSITIONS=73} [2021-12-06 23:07:48,757 INFO L334 CegarLoopForPetriNet]: 74 programPoint places, 3 predicate places. [2021-12-06 23:07:48,758 INFO L470 AbstractCegarLoop]: Abstraction has has 77 places, 73 transitions, 166 flow [2021-12-06 23:07:48,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2021-12-06 23:07:48,758 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:07:48,758 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-06 23:07:48,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:07:48,759 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-12-06 23:07:48,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:48,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1866716367, now seen corresponding path program 1 times [2021-12-06 23:07:48,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:48,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798121166] [2021-12-06 23:07:48,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:48,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:48,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:48,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798121166] [2021-12-06 23:07:48,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798121166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:48,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:48,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:07:48,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112832596] [2021-12-06 23:07:48,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:48,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:07:48,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:07:48,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:07:48,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:07:48,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 72 [2021-12-06 23:07:48,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2021-12-06 23:07:48,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:07:48,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 72 [2021-12-06 23:07:48,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:07:48,855 INFO L129 PetriNetUnfolder]: 20/284 cut-off events. [2021-12-06 23:07:48,855 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-12-06 23:07:48,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 284 events. 20/284 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1602 event pairs, 5 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 332. Up to 29 conditions per place. [2021-12-06 23:07:48,858 INFO L132 encePairwiseOnDemand]: 67/72 looper letters, 13 selfloop transitions, 5 changer transitions 0/79 dead transitions. [2021-12-06 23:07:48,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 79 transitions, 226 flow [2021-12-06 23:07:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:07:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:07:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2021-12-06 23:07:48,860 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9351851851851852 [2021-12-06 23:07:48,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2021-12-06 23:07:48,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2021-12-06 23:07:48,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:07:48,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2021-12-06 23:07:48,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2021-12-06 23:07:48,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2021-12-06 23:07:48,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2021-12-06 23:07:48,864 INFO L186 Difference]: Start difference. First operand has 77 places, 73 transitions, 166 flow. Second operand 3 states and 202 transitions. [2021-12-06 23:07:48,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 79 transitions, 226 flow [2021-12-06 23:07:48,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 79 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:07:48,868 INFO L242 Difference]: Finished difference. Result has 79 places, 76 transitions, 196 flow [2021-12-06 23:07:48,868 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2021-12-06 23:07:48,869 INFO L334 CegarLoopForPetriNet]: 74 programPoint places, 5 predicate places. [2021-12-06 23:07:48,869 INFO L470 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 196 flow [2021-12-06 23:07:48,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2021-12-06 23:07:48,869 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:07:48,869 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-06 23:07:48,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:07:48,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 6 more)] === [2021-12-06 23:07:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:48,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1380163400, now seen corresponding path program 1 times [2021-12-06 23:07:48,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:48,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601578313] [2021-12-06 23:07:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:48,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:48,890 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:07:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:48,916 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:07:48,916 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:07:48,917 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2021-12-06 23:07:48,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2021-12-06 23:07:48,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2021-12-06 23:07:48,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2021-12-06 23:07:48,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:07:48,922 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 23:07:48,926 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 23:07:48,926 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:07:48,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:07:48 BasicIcfg [2021-12-06 23:07:48,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:07:48,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:07:48,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:07:48,946 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:07:48,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:07:48" (3/4) ... [2021-12-06 23:07:48,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:07:48,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:07:48,949 INFO L158 Benchmark]: Toolchain (without parser) took 1396.90ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 83.1MB in the beginning and 101.8MB in the end (delta: -18.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-06 23:07:48,949 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:07:48,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.70ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 84.1MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:07:48,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.55ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:07:48,950 INFO L158 Benchmark]: Boogie Preprocessor took 17.81ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 81.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:07:48,951 INFO L158 Benchmark]: RCFGBuilder took 240.31ms. Allocated memory is still 127.9MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:07:48,951 INFO L158 Benchmark]: TraceAbstraction took 652.19ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 101.8MB in the end (delta: -32.8MB). Peak memory consumption was 185.3kB. Max. memory is 16.1GB. [2021-12-06 23:07:48,951 INFO L158 Benchmark]: Witness Printer took 2.23ms. Allocated memory is still 159.4MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:07:48,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.70ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 84.1MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.55ms. Allocated memory is still 127.9MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.81ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 81.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 240.31ms. Allocated memory is still 127.9MB. Free memory was 80.4MB in the beginning and 69.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 652.19ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 101.8MB in the end (delta: -32.8MB). Peak memory consumption was 185.3kB. Max. memory is 16.1GB. * Witness Printer took 2.23ms. Allocated memory is still 159.4MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L920] 0 void (*f)() = good; VAL [={-1:0}, global=0] [L926] 0 pthread_t id; VAL [={-1:0}, global=0, id={8:0}] [L927] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, global=0, id={8:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L928] 0 f = bad VAL [={-1:2}, global=0, id={8:0}] [L928] 0 f = bad VAL [={-1:2}, f = bad=112, global=0, id={8:0}] [L922] 1 f() VAL [={-1:2}, arg={0:0}, arg={0:0}, global=0] Now there is a data race on ~f~0 between C: f = bad [928] and C: f() [922] - UnprovableResult [Line: 928]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 927]: 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. - UnprovableResult [Line: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 918]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 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 could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:07:48,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_926598f9-67c9-43b4-be20-a33a7ba11f99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE