./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS --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 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --- 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-4e7fbc6 [2022-11-23 02:57:12,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:57:12,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:57:12,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:57:12,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:57:12,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:57:12,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:57:12,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:57:12,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:57:12,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:57:12,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:57:12,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:57:12,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:57:12,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:57:12,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:57:12,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:57:12,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:57:12,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:57:12,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:57:12,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:57:12,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:57:12,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:57:12,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:57:12,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:57:12,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:57:12,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:57:12,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:57:12,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:57:12,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:57:12,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:57:12,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:57:12,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:57:12,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:57:12,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:57:12,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:57:12,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:57:12,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:57:12,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:57:12,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:57:12,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:57:12,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:57:12,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 02:57:13,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:57:13,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:57:13,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:57:13,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:57:13,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:57:13,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:57:13,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:57:13,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:57:13,034 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:57:13,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:57:13,035 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:57:13,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:57:13,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:57:13,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:57:13,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:57:13,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:57:13,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:57:13,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:57:13,037 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 02:57:13,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:57:13,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:57:13,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:57:13,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:57:13,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:57:13,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:57:13,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:57:13,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:57:13,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:57:13,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:57:13,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:57:13,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:57:13,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:57:13,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:57:13,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:57:13,041 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:57:13,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:57:13,041 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_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c [2022-11-23 02:57:13,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:57:13,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:57:13,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:57:13,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:57:13,402 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:57:13,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-11-23 02:57:16,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:57:16,717 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:57:16,718 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-11-23 02:57:16,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/data/aa75b8a60/0dc139490b334f8390adbf1320bd93f6/FLAGbda213953 [2022-11-23 02:57:16,746 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/data/aa75b8a60/0dc139490b334f8390adbf1320bd93f6 [2022-11-23 02:57:16,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:57:16,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:57:16,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:16,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:57:16,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:57:16,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:16" (1/1) ... [2022-11-23 02:57:16,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4732229a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:16, skipping insertion in model container [2022-11-23 02:57:16,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:16" (1/1) ... [2022-11-23 02:57:16,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:57:16,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:57:17,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:17,150 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:57:17,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:17,260 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:57:17,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17 WrapperNode [2022-11-23 02:57:17,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:17,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:17,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:57:17,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:57:17,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,337 INFO L138 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-11-23 02:57:17,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:17,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:57:17,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:57:17,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:57:17,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:57:17,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:57:17,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:57:17,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:57:17,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (1/1) ... [2022-11-23 02:57:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:57:17,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:17,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:17,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:57:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:57:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:57:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:57:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:57:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 02:57:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 02:57:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:57:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:57:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:57:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:57:17,466 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:57:17,615 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:57:17,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:57:17,857 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:57:17,863 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:57:17,864 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:57:17,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:17 BoogieIcfgContainer [2022-11-23 02:57:17,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:57:17,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:57:17,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:57:17,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:57:17,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:57:16" (1/3) ... [2022-11-23 02:57:17,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31de7f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:57:17, skipping insertion in model container [2022-11-23 02:57:17,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:17" (2/3) ... [2022-11-23 02:57:17,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31de7f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:57:17, skipping insertion in model container [2022-11-23 02:57:17,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:17" (3/3) ... [2022-11-23 02:57:17,875 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-11-23 02:57:17,884 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:57:17,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:57:17,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 02:57:17,912 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:57:17,993 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 02:57:18,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2022-11-23 02:57:18,130 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-11-23 02:57:18,131 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:57:18,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 02:57:18,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 67 transitions, 139 flow [2022-11-23 02:57:18,142 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 66 transitions, 135 flow [2022-11-23 02:57:18,148 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:57:18,186 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 135 flow [2022-11-23 02:57:18,190 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 135 flow [2022-11-23 02:57:18,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 135 flow [2022-11-23 02:57:18,220 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-11-23 02:57:18,221 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:57:18,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 02:57:18,224 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-11-23 02:57:20,096 INFO L134 LiptonReduction]: Checked pairs total: 5552 [2022-11-23 02:57:20,096 INFO L136 LiptonReduction]: Total number of compositions: 36 [2022-11-23 02:57:20,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:57:20,131 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;@49282270, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:57:20,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 02:57:20,142 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-11-23 02:57:20,142 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:57:20,143 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:57:20,143 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:20,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 02:57:20,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:20,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2032029479, now seen corresponding path program 1 times [2022-11-23 02:57:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:20,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576628482] [2022-11-23 02:57:20,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:57:20,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:57:20,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576628482] [2022-11-23 02:57:20,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576628482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:57:20,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:57:20,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:57:20,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633053102] [2022-11-23 02:57:20,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:57:20,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:57:20,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:57:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:57:20,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:57:21,080 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 103 [2022-11-23 02:57:21,083 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-11-23 02:57:21,083 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:57:21,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 103 [2022-11-23 02:57:21,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:57:21,421 INFO L130 PetriNetUnfolder]: 262/621 cut-off events. [2022-11-23 02:57:21,421 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:57:21,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 621 events. 262/621 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3233 event pairs, 56 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 1191. Up to 227 conditions per place. [2022-11-23 02:57:21,438 INFO L137 encePairwiseOnDemand]: 81/103 looper letters, 88 selfloop transitions, 42 changer transitions 0/132 dead transitions. [2022-11-23 02:57:21,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 132 transitions, 527 flow [2022-11-23 02:57:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:57:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:57:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 390 transitions. [2022-11-23 02:57:21,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6310679611650486 [2022-11-23 02:57:21,462 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 390 transitions. [2022-11-23 02:57:21,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 390 transitions. [2022-11-23 02:57:21,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:57:21,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 390 transitions. [2022-11-23 02:57:21,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 65.0) internal successors, (390), 6 states have internal predecessors, (390), 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) [2022-11-23 02:57:21,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:21,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:21,486 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 390 transitions. [2022-11-23 02:57:21,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 132 transitions, 527 flow [2022-11-23 02:57:21,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 132 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:57:21,497 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2022-11-23 02:57:21,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=43, PETRI_TRANSITIONS=76} [2022-11-23 02:57:21,503 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2022-11-23 02:57:21,503 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2022-11-23 02:57:21,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-11-23 02:57:21,504 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:57:21,504 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:21,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:57:21,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 02:57:21,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1028581477, now seen corresponding path program 1 times [2022-11-23 02:57:21,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:21,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012185363] [2022-11-23 02:57:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:21,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:57:21,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:57:21,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012185363] [2022-11-23 02:57:21,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012185363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:57:21,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:57:21,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:57:21,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837225855] [2022-11-23 02:57:21,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:57:21,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:57:21,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:57:21,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:57:21,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:57:22,013 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 103 [2022-11-23 02:57:22,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 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) [2022-11-23 02:57:22,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:57:22,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 103 [2022-11-23 02:57:22,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:57:22,275 INFO L130 PetriNetUnfolder]: 358/818 cut-off events. [2022-11-23 02:57:22,276 INFO L131 PetriNetUnfolder]: For 468/476 co-relation queries the response was YES. [2022-11-23 02:57:22,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 818 events. 358/818 cut-off events. For 468/476 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4416 event pairs, 103 based on Foata normal form. 22/840 useless extension candidates. Maximal degree in co-relation 2525. Up to 556 conditions per place. [2022-11-23 02:57:22,282 INFO L137 encePairwiseOnDemand]: 87/103 looper letters, 99 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2022-11-23 02:57:22,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1002 flow [2022-11-23 02:57:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:57:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:57:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 338 transitions. [2022-11-23 02:57:22,284 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5469255663430421 [2022-11-23 02:57:22,284 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 338 transitions. [2022-11-23 02:57:22,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 338 transitions. [2022-11-23 02:57:22,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:57:22,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 338 transitions. [2022-11-23 02:57:22,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 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) [2022-11-23 02:57:22,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:22,288 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:22,289 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 338 transitions. [2022-11-23 02:57:22,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1002 flow [2022-11-23 02:57:22,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1002 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 02:57:22,297 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2022-11-23 02:57:22,297 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=52, PETRI_TRANSITIONS=119} [2022-11-23 02:57:22,298 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2022-11-23 02:57:22,298 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2022-11-23 02:57:22,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 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) [2022-11-23 02:57:22,299 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:57:22,299 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:22,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:57:22,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 02:57:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:22,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2070720757, now seen corresponding path program 1 times [2022-11-23 02:57:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:22,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644830834] [2022-11-23 02:57:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:57:22,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:57:22,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644830834] [2022-11-23 02:57:22,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644830834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:57:22,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:57:22,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:57:22,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549703103] [2022-11-23 02:57:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:57:22,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:57:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:57:22,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:57:22,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:57:22,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 103 [2022-11-23 02:57:22,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-11-23 02:57:22,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:57:22,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 103 [2022-11-23 02:57:22,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:57:22,981 INFO L130 PetriNetUnfolder]: 432/962 cut-off events. [2022-11-23 02:57:22,982 INFO L131 PetriNetUnfolder]: For 1576/1593 co-relation queries the response was YES. [2022-11-23 02:57:22,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3741 conditions, 962 events. 432/962 cut-off events. For 1576/1593 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5295 event pairs, 113 based on Foata normal form. 24/985 useless extension candidates. Maximal degree in co-relation 3723. Up to 674 conditions per place. [2022-11-23 02:57:22,993 INFO L137 encePairwiseOnDemand]: 87/103 looper letters, 125 selfloop transitions, 49 changer transitions 16/193 dead transitions. [2022-11-23 02:57:22,996 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 193 transitions, 1593 flow [2022-11-23 02:57:22,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:57:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:57:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 344 transitions. [2022-11-23 02:57:22,998 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5566343042071198 [2022-11-23 02:57:22,998 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 344 transitions. [2022-11-23 02:57:22,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 344 transitions. [2022-11-23 02:57:22,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:57:22,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 344 transitions. [2022-11-23 02:57:23,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 states have internal predecessors, (344), 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) [2022-11-23 02:57:23,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:23,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 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) [2022-11-23 02:57:23,003 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 344 transitions. [2022-11-23 02:57:23,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 193 transitions, 1593 flow [2022-11-23 02:57:23,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 193 transitions, 1559 flow, removed 17 selfloop flow, removed 0 redundant places. [2022-11-23 02:57:23,019 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2022-11-23 02:57:23,020 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=61, PETRI_TRANSITIONS=148} [2022-11-23 02:57:23,021 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2022-11-23 02:57:23,021 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2022-11-23 02:57:23,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-11-23 02:57:23,022 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:57:23,022 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:23,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:57:23,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 02:57:23,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:23,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1152205818, now seen corresponding path program 1 times [2022-11-23 02:57:23,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:23,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768585238] [2022-11-23 02:57:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:23,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:57:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:23,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:57:23,112 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:57:23,113 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-23 02:57:23,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-23 02:57:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-23 02:57:23,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-23 02:57:23,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-23 02:57:23,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-23 02:57:23,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-23 02:57:23,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:57:23,118 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 02:57:23,125 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 02:57:23,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:57:23,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:57:23 BasicIcfg [2022-11-23 02:57:23,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:57:23,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:57:23,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:57:23,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:57:23,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:57:17" (3/4) ... [2022-11-23 02:57:23,167 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:57:23,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:57:23,170 INFO L158 Benchmark]: Toolchain (without parser) took 6417.60ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 118.4MB in the beginning and 158.8MB in the end (delta: -40.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-23 02:57:23,174 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:23,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.09ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 99.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 02:57:23,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.90ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:57:23,175 INFO L158 Benchmark]: Boogie Preprocessor took 43.09ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:23,180 INFO L158 Benchmark]: RCFGBuilder took 484.36ms. Allocated memory is still 159.4MB. Free memory was 96.2MB in the beginning and 82.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:57:23,184 INFO L158 Benchmark]: TraceAbstraction took 5293.90ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 81.8MB in the beginning and 158.8MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:23,186 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 232.8MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:23,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 101.0MB in the beginning and 100.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.09ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 99.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.90ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.09ms. Allocated memory is still 159.4MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.36ms. Allocated memory is still 159.4MB. Free memory was 96.2MB in the beginning and 82.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5293.90ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 81.8MB in the beginning and 158.8MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 232.8MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 70 PlacesBefore, 34 PlacesAfterwards, 66 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 36 TotalNumberOfCompositions, 5552 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1862, independent: 1555, independent conditional: 0, independent unconditional: 1555, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 739, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 739, independent: 585, independent conditional: 0, independent unconditional: 585, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 154, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 501, independent: 205, independent conditional: 0, independent unconditional: 205, dependent: 295, dependent conditional: 0, dependent unconditional: 295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1862, independent: 891, independent conditional: 0, independent unconditional: 891, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 739, unknown conditional: 0, unknown unconditional: 739] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [#in~arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] EXPR 0 data.x VAL [#in~arg={0:0}, data={1:0}, data.x=0, id={5:0}] [L684] EXPR 1 data.x VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, id={5:0}] [L684] 1 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, data.x++=9, id={5:0}] [L684] 1 data.x++ VAL [#in~arg={0:0}, arg={0:0}, data={1:0}, data.x=0] Now there is a data race (on the heap) between C: data.x++ [690] and C: data.x++ [684] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 684]: 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, 92 locations, 7 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: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 654 IncrementalHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 31 mSDtfsCounter, 654 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1152occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 1.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-11-23 02:57:23,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_203ec395-a0f1-440f-9825-6c807a99f1c9/bin/uautomizer-QkZJyEgLgS/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