./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8 --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 0a92542e2dda55880e261e8e9c4c926ece76b9696d64e1535984774b57178a24 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:06:03,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:06:03,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:06:03,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:06:03,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:06:03,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:06:03,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:06:03,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:06:03,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:06:03,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:06:03,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:06:03,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:06:03,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:06:03,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:06:03,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:06:03,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:06:03,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:06:03,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:06:03,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:06:03,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:06:03,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:06:03,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:06:03,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:06:03,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:06:03,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:06:03,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:06:03,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:06:03,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:06:03,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:06:03,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:06:03,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:06:03,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:06:03,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:06:03,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:06:03,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:06:03,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:06:03,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:06:03,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:06:03,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:06:03,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:06:03,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:06:03,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:06:03,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:06:03,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:06:03,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:06:03,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:06:03,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:06:03,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:06:03,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:06:03,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:06:03,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:06:03,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:06:03,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:06:03,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:06:03,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:06:03,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:06:03,945 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a92542e2dda55880e261e8e9c4c926ece76b9696d64e1535984774b57178a24 [2022-12-13 20:06:04,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:06:04,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:06:04,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:06:04,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:06:04,151 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:06:04,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-12-13 20:06:06,748 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:06:06,942 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:06:06,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/sv-benchmarks/c/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-12-13 20:06:06,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/data/faafdf45c/384c97a415db462d9f328a8285885d58/FLAGe47cb6ef8 [2022-12-13 20:06:07,345 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/data/faafdf45c/384c97a415db462d9f328a8285885d58 [2022-12-13 20:06:07,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:06:07,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:06:07,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:06:07,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:06:07,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:06:07,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c02864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07, skipping insertion in model container [2022-12-13 20:06:07,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:06:07,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:06:07,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:06:07,699 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:06:07,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:06:07,778 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:06:07,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07 WrapperNode [2022-12-13 20:06:07,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:06:07,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:06:07,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:06:07,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:06:07,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,816 INFO L138 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-12-13 20:06:07,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:06:07,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:06:07,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:06:07,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:06:07,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:06:07,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:06:07,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:06:07,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:06:07,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (1/1) ... [2022-12-13 20:06:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:06:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:06:07,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:06:07,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:06:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:06:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 20:06:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:06:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:06:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:06:07,910 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:06:08,006 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:06:08,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:06:08,136 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:06:08,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:06:08,142 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:06:08,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:06:08 BoogieIcfgContainer [2022-12-13 20:06:08,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:06:08,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:06:08,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:06:08,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:06:08,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:06:07" (1/3) ... [2022-12-13 20:06:08,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eecb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:06:08, skipping insertion in model container [2022-12-13 20:06:08,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:06:07" (2/3) ... [2022-12-13 20:06:08,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eecb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:06:08, skipping insertion in model container [2022-12-13 20:06:08,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:06:08" (3/3) ... [2022-12-13 20:06:08,151 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-12-13 20:06:08,157 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:06:08,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:06:08,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 20:06:08,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:06:08,203 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 20:06:08,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 107 transitions, 222 flow [2022-12-13 20:06:08,265 INFO L130 PetriNetUnfolder]: 3/106 cut-off events. [2022-12-13 20:06:08,265 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 20:06:08,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 106 events. 3/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-12-13 20:06:08,268 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 107 transitions, 222 flow [2022-12-13 20:06:08,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 98 transitions, 199 flow [2022-12-13 20:06:08,275 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:06:08,283 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 98 transitions, 199 flow [2022-12-13 20:06:08,285 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 98 transitions, 199 flow [2022-12-13 20:06:08,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 98 transitions, 199 flow [2022-12-13 20:06:08,303 INFO L130 PetriNetUnfolder]: 3/98 cut-off events. [2022-12-13 20:06:08,303 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:06:08,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 98 events. 3/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-12-13 20:06:08,305 INFO L119 LiptonReduction]: Number of co-enabled transitions 1650 [2022-12-13 20:06:10,127 INFO L134 LiptonReduction]: Checked pairs total: 4515 [2022-12-13 20:06:10,127 INFO L136 LiptonReduction]: Total number of compositions: 82 [2022-12-13 20:06:10,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:06:10,142 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2482970a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:06:10,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 20:06:10,144 INFO L130 PetriNetUnfolder]: 1/7 cut-off events. [2022-12-13 20:06:10,145 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:06:10,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:06:10,145 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 20:06:10,145 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 20:06:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:06:10,149 INFO L85 PathProgramCache]: Analyzing trace with hash 10909905, now seen corresponding path program 1 times [2022-12-13 20:06:10,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:06:10,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239728264] [2022-12-13 20:06:10,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:06:10,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:06:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:06:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:06:10,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:06:10,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239728264] [2022-12-13 20:06:10,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239728264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:06:10,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:06:10,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 20:06:10,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174626100] [2022-12-13 20:06:10,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:06:10,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:06:10,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:06:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:06:10,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:06:10,315 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 189 [2022-12-13 20:06:10,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:06:10,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 189 [2022-12-13 20:06:10,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:06:10,349 INFO L130 PetriNetUnfolder]: 20/77 cut-off events. [2022-12-13 20:06:10,349 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:06:10,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 77 events. 20/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 235 event pairs, 12 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 114. Up to 42 conditions per place. [2022-12-13 20:06:10,351 INFO L137 encePairwiseOnDemand]: 188/189 looper letters, 11 selfloop transitions, 0 changer transitions 0/23 dead transitions. [2022-12-13 20:06:10,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 23 transitions, 71 flow [2022-12-13 20:06:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:06:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:06:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 220 transitions. [2022-12-13 20:06:10,365 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.582010582010582 [2022-12-13 20:06:10,365 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 220 transitions. [2022-12-13 20:06:10,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 220 transitions. [2022-12-13 20:06:10,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:06:10,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 220 transitions. [2022-12-13 20:06:10,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,377 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,379 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 2 states and 220 transitions. [2022-12-13 20:06:10,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 23 transitions, 71 flow [2022-12-13 20:06:10,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 70 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:06:10,384 INFO L231 Difference]: Finished difference. Result has 25 places, 23 transitions, 48 flow [2022-12-13 20:06:10,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=24, 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=2, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=23} [2022-12-13 20:06:10,389 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2022-12-13 20:06:10,390 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 23 transitions, 48 flow [2022-12-13 20:06:10,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,390 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:06:10,390 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:06:10,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:06:10,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 20:06:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:06:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash 338169839, now seen corresponding path program 1 times [2022-12-13 20:06:10,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:06:10,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565216752] [2022-12-13 20:06:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:06:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:06:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:06:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:06:10,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:06:10,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565216752] [2022-12-13 20:06:10,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565216752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:06:10,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:06:10,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:06:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34396048] [2022-12-13 20:06:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:06:10,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:06:10,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:06:10,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:06:10,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:06:10,469 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 189 [2022-12-13 20:06:10,469 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 23 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,469 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:06:10,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 189 [2022-12-13 20:06:10,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:06:10,524 INFO L130 PetriNetUnfolder]: 66/169 cut-off events. [2022-12-13 20:06:10,524 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:06:10,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 169 events. 66/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 633 event pairs, 19 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 309. Up to 78 conditions per place. [2022-12-13 20:06:10,526 INFO L137 encePairwiseOnDemand]: 181/189 looper letters, 26 selfloop transitions, 6 changer transitions 0/37 dead transitions. [2022-12-13 20:06:10,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 37 transitions, 140 flow [2022-12-13 20:06:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:06:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:06:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2022-12-13 20:06:10,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5679012345679012 [2022-12-13 20:06:10,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2022-12-13 20:06:10,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2022-12-13 20:06:10,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:06:10,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2022-12-13 20:06:10,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,538 INFO L175 Difference]: Start difference. First operand has 25 places, 23 transitions, 48 flow. Second operand 3 states and 322 transitions. [2022-12-13 20:06:10,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 37 transitions, 140 flow [2022-12-13 20:06:10,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:06:10,540 INFO L231 Difference]: Finished difference. Result has 29 places, 29 transitions, 100 flow [2022-12-13 20:06:10,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=29, PETRI_TRANSITIONS=29} [2022-12-13 20:06:10,540 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2022-12-13 20:06:10,540 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 29 transitions, 100 flow [2022-12-13 20:06:10,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,541 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:06:10,541 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:06:10,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:06:10,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 20:06:10,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:06:10,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1575339154, now seen corresponding path program 1 times [2022-12-13 20:06:10,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:06:10,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215707036] [2022-12-13 20:06:10,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:06:10,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:06:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:06:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:06:10,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:06:10,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215707036] [2022-12-13 20:06:10,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215707036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:06:10,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:06:10,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:06:10,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352533353] [2022-12-13 20:06:10,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:06:10,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:06:10,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:06:10,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:06:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:06:10,601 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 189 [2022-12-13 20:06:10,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:06:10,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 189 [2022-12-13 20:06:10,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:06:10,651 INFO L130 PetriNetUnfolder]: 81/197 cut-off events. [2022-12-13 20:06:10,651 INFO L131 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2022-12-13 20:06:10,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 197 events. 81/197 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 714 event pairs, 20 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 461. Up to 118 conditions per place. [2022-12-13 20:06:10,653 INFO L137 encePairwiseOnDemand]: 183/189 looper letters, 23 selfloop transitions, 7 changer transitions 1/40 dead transitions. [2022-12-13 20:06:10,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 40 transitions, 194 flow [2022-12-13 20:06:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:06:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:06:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2022-12-13 20:06:10,655 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-13 20:06:10,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2022-12-13 20:06:10,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2022-12-13 20:06:10,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:06:10,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2022-12-13 20:06:10,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,659 INFO L175 Difference]: Start difference. First operand has 29 places, 29 transitions, 100 flow. Second operand 3 states and 315 transitions. [2022-12-13 20:06:10,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 40 transitions, 194 flow [2022-12-13 20:06:10,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 40 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 20:06:10,662 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 144 flow [2022-12-13 20:06:10,662 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=31, PETRI_TRANSITIONS=34} [2022-12-13 20:06:10,663 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2022-12-13 20:06:10,663 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 144 flow [2022-12-13 20:06:10,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,663 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:06:10,663 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:06:10,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:06:10,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 20:06:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:06:10,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1364934206, now seen corresponding path program 1 times [2022-12-13 20:06:10,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:06:10,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896292015] [2022-12-13 20:06:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:06:10,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:06:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:06:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:06:10,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:06:10,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896292015] [2022-12-13 20:06:10,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896292015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:06:10,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:06:10,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:06:10,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103584110] [2022-12-13 20:06:10,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:06:10,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:06:10,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:06:10,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:06:10,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:06:10,726 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 189 [2022-12-13 20:06:10,727 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,727 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:06:10,727 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 189 [2022-12-13 20:06:10,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:06:10,771 INFO L130 PetriNetUnfolder]: 86/205 cut-off events. [2022-12-13 20:06:10,771 INFO L131 PetriNetUnfolder]: For 214/231 co-relation queries the response was YES. [2022-12-13 20:06:10,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 205 events. 86/205 cut-off events. For 214/231 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 762 event pairs, 19 based on Foata normal form. 7/182 useless extension candidates. Maximal degree in co-relation 589. Up to 134 conditions per place. [2022-12-13 20:06:10,772 INFO L137 encePairwiseOnDemand]: 183/189 looper letters, 20 selfloop transitions, 8 changer transitions 4/42 dead transitions. [2022-12-13 20:06:10,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 42 transitions, 244 flow [2022-12-13 20:06:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:06:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:06:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2022-12-13 20:06:10,773 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5432098765432098 [2022-12-13 20:06:10,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 308 transitions. [2022-12-13 20:06:10,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 308 transitions. [2022-12-13 20:06:10,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:06:10,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 308 transitions. [2022-12-13 20:06:10,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,776 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 144 flow. Second operand 3 states and 308 transitions. [2022-12-13 20:06:10,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 42 transitions, 244 flow [2022-12-13 20:06:10,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 42 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 20:06:10,778 INFO L231 Difference]: Finished difference. Result has 33 places, 37 transitions, 184 flow [2022-12-13 20:06:10,778 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=33, PETRI_TRANSITIONS=37} [2022-12-13 20:06:10,778 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2022-12-13 20:06:10,779 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 37 transitions, 184 flow [2022-12-13 20:06:10,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:06:10,779 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:06:10,779 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:06:10,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:06:10,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 20:06:10,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:06:10,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1784537211, now seen corresponding path program 1 times [2022-12-13 20:06:10,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:06:10,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001046094] [2022-12-13 20:06:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:06:10,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:06:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:06:10,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:06:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:06:10,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:06:10,833 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:06:10,834 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-13 20:06:10,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-13 20:06:10,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-13 20:06:10,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-13 20:06:10,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-13 20:06:10,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-13 20:06:10,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-13 20:06:10,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-13 20:06:10,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:06:10,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 20:06:10,841 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:06:10,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:06:10,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:06:10 BasicIcfg [2022-12-13 20:06:10,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:06:10,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:06:10,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:06:10,864 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:06:10,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:06:08" (3/4) ... [2022-12-13 20:06:10,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:06:10,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:06:10,867 INFO L158 Benchmark]: Toolchain (without parser) took 3511.80ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 108.5MB in the beginning and 127.8MB in the end (delta: -19.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,867 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 144.7MB. Free memory was 114.5MB in the beginning and 114.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:06:10,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.05ms. Allocated memory is still 144.7MB. Free memory was 108.1MB in the beginning and 89.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.84ms. Allocated memory is still 144.7MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,868 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 144.7MB. Free memory was 86.6MB in the beginning and 85.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,869 INFO L158 Benchmark]: RCFGBuilder took 294.72ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 70.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,869 INFO L158 Benchmark]: TraceAbstraction took 2718.05ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 70.3MB in the beginning and 127.8MB in the end (delta: -57.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-12-13 20:06:10,869 INFO L158 Benchmark]: Witness Printer took 2.50ms. Allocated memory is still 205.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:06:10,871 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 144.7MB. Free memory was 114.5MB in the beginning and 114.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.05ms. Allocated memory is still 144.7MB. Free memory was 108.1MB in the beginning and 89.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.84ms. Allocated memory is still 144.7MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 144.7MB. Free memory was 86.6MB in the beginning and 85.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.72ms. Allocated memory is still 144.7MB. Free memory was 85.5MB in the beginning and 70.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2718.05ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 70.3MB in the beginning and 127.8MB in the end (delta: -57.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 2.50ms. Allocated memory is still 205.5MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 99 PlacesBefore, 26 PlacesAfterwards, 98 TransitionsBefore, 24 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, 4515 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1821, independent: 1606, independent conditional: 0, independent unconditional: 1606, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 863, independent: 835, independent conditional: 0, independent unconditional: 835, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1821, independent: 771, independent conditional: 0, independent unconditional: 771, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 863, unknown conditional: 0, unknown unconditional: 863] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 697]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L702] 0 pthread_t id; [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-2] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, callback={-1:1}, callback={-1:1}, glob=0, i=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 [L682] COND TRUE 0 __VERIFIER_nondet_int() [L683] CALL 0 callback() [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob=glob+1 [691] and C: glob+1 [697] - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: 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: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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, 122 locations, 8 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: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 5 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, InterpolantAutomatonStates: 11, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:06:10,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca40a199-0624-40f6-af84-9eb6a14974a3/bin/uautomizer-uyxdKDjOR8/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