./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro --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 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 --- 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-8393723 [2022-11-18 19:57:21,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:57:21,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:57:21,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:57:21,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:57:21,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:57:21,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:57:21,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:57:21,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:57:21,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:57:21,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:57:21,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:57:21,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:57:21,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:57:21,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:57:21,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:57:21,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:57:21,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:57:21,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:57:21,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:57:21,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:57:21,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:57:21,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:57:21,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:57:21,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:57:21,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:57:21,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:57:21,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:57:21,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:57:21,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:57:21,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:57:21,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:57:21,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:57:21,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:57:21,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:57:21,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:57:21,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:57:21,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:57:21,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:57:21,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:57:21,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:57:21,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:57:21,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:57:21,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:57:22,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:57:22,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:57:22,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:57:22,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:57:22,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:57:22,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:57:22,004 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:57:22,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:57:22,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:57:22,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:57:22,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:57:22,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:57:22,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:57:22,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:57:22,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:57:22,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:57:22,007 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:57:22,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:57:22,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:57:22,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:57:22,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:57:22,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:57:22,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:57:22,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:57:22,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:22,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:57:22,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:57:22,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:57:22,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:57:22,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:57:22,012 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:57:22,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:57:22,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:57:22,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 [2022-11-18 19:57:22,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:57:22,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:57:22,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:57:22,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:57:22,378 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:57:22,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2022-11-18 19:57:22,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/data/9f0bc5b2f/a499218f417947e7b36b88d53730ace1/FLAGb02d7da90 [2022-11-18 19:57:23,116 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:57:23,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2022-11-18 19:57:23,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/data/9f0bc5b2f/a499218f417947e7b36b88d53730ace1/FLAGb02d7da90 [2022-11-18 19:57:23,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/data/9f0bc5b2f/a499218f417947e7b36b88d53730ace1 [2022-11-18 19:57:23,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:57:23,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:57:23,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:23,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:57:23,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:57:23,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:23" (1/1) ... [2022-11-18 19:57:23,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4e37eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:23, skipping insertion in model container [2022-11-18 19:57:23,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:23" (1/1) ... [2022-11-18 19:57:23,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:57:23,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:57:23,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:24,013 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:57:24,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:24,107 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:57:24,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24 WrapperNode [2022-11-18 19:57:24,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:24,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:24,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:57:24,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:57:24,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,155 INFO L138 Inliner]: procedures = 265, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2022-11-18 19:57:24,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:24,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:57:24,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:57:24,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:57:24,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:57:24,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:57:24,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:57:24,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:57:24,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (1/1) ... [2022-11-18 19:57:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:24,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:57:24,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:57:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:57:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:57:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:57:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 19:57:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:57:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 19:57:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 19:57:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:57:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:57:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:57:24,264 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:57:24,403 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:57:24,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:57:24,626 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:57:24,633 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:57:24,633 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:57:24,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:24 BoogieIcfgContainer [2022-11-18 19:57:24,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:57:24,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:57:24,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:57:24,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:57:24,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:57:23" (1/3) ... [2022-11-18 19:57:24,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc25e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:24, skipping insertion in model container [2022-11-18 19:57:24,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:24" (2/3) ... [2022-11-18 19:57:24,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc25e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:24, skipping insertion in model container [2022-11-18 19:57:24,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:24" (3/3) ... [2022-11-18 19:57:24,645 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2022-11-18 19:57:24,653 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:57:24,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:57:24,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-18 19:57:24,686 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:57:24,785 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 19:57:24,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 101 transitions, 207 flow [2022-11-18 19:57:24,935 INFO L130 PetriNetUnfolder]: 1/100 cut-off events. [2022-11-18 19:57:24,935 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:57:24,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 100 events. 1/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-11-18 19:57:24,940 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 101 transitions, 207 flow [2022-11-18 19:57:24,946 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 100 transitions, 203 flow [2022-11-18 19:57:24,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:57:24,997 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;@17563515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:57:24,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-18 19:57:25,016 INFO L130 PetriNetUnfolder]: 0/39 cut-off events. [2022-11-18 19:57:25,017 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:57:25,017 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:25,018 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:25,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:25,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1657551347, now seen corresponding path program 1 times [2022-11-18 19:57:25,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:25,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791472627] [2022-11-18 19:57:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:25,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:25,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:25,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791472627] [2022-11-18 19:57:25,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791472627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:25,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:25,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:25,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520572478] [2022-11-18 19:57:25,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:25,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:25,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:25,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:25,405 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 101 [2022-11-18 19:57:25,409 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 100 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2022-11-18 19:57:25,409 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:25,409 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 101 [2022-11-18 19:57:25,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:25,492 INFO L130 PetriNetUnfolder]: 13/273 cut-off events. [2022-11-18 19:57:25,493 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 19:57:25,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 273 events. 13/273 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1261 event pairs, 2 based on Foata normal form. 0/241 useless extension candidates. Maximal degree in co-relation 273. Up to 16 conditions per place. [2022-11-18 19:57:25,496 INFO L137 encePairwiseOnDemand]: 97/101 looper letters, 8 selfloop transitions, 3 changer transitions 0/104 dead transitions. [2022-11-18 19:57:25,497 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 104 transitions, 233 flow [2022-11-18 19:57:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2022-11-18 19:57:25,510 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9702970297029703 [2022-11-18 19:57:25,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2022-11-18 19:57:25,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2022-11-18 19:57:25,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:25,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2022-11-18 19:57:25,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-18 19:57:25,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:25,526 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:25,528 INFO L175 Difference]: Start difference. First operand has 103 places, 100 transitions, 203 flow. Second operand 3 states and 294 transitions. [2022-11-18 19:57:25,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 104 transitions, 233 flow [2022-11-18 19:57:25,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 104 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:57:25,542 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 224 flow [2022-11-18 19:57:25,544 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2022-11-18 19:57:25,549 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 3 predicate places. [2022-11-18 19:57:25,550 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 224 flow [2022-11-18 19:57:25,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2022-11-18 19:57:25,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:25,551 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:25,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:57:25,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:25,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:25,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1744754133, now seen corresponding path program 1 times [2022-11-18 19:57:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:25,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813146356] [2022-11-18 19:57:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:25,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:25,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813146356] [2022-11-18 19:57:25,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813146356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:25,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:25,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:25,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713806440] [2022-11-18 19:57:25,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:25,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:25,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:25,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:25,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:25,698 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 101 [2022-11-18 19:57:25,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-11-18 19:57:25,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:25,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 101 [2022-11-18 19:57:25,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:25,832 INFO L130 PetriNetUnfolder]: 20/415 cut-off events. [2022-11-18 19:57:25,833 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-11-18 19:57:25,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 415 events. 20/415 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2516 event pairs, 5 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 458. Up to 29 conditions per place. [2022-11-18 19:57:25,845 INFO L137 encePairwiseOnDemand]: 96/101 looper letters, 13 selfloop transitions, 5 changer transitions 0/108 dead transitions. [2022-11-18 19:57:25,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 108 transitions, 284 flow [2022-11-18 19:57:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2022-11-18 19:57:25,853 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537953795379538 [2022-11-18 19:57:25,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 289 transitions. [2022-11-18 19:57:25,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 289 transitions. [2022-11-18 19:57:25,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:25,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 289 transitions. [2022-11-18 19:57:25,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2022-11-18 19:57:25,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:25,862 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:25,862 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 224 flow. Second operand 3 states and 289 transitions. [2022-11-18 19:57:25,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 108 transitions, 284 flow [2022-11-18 19:57:25,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 108 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:57:25,868 INFO L231 Difference]: Finished difference. Result has 108 places, 105 transitions, 254 flow [2022-11-18 19:57:25,869 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=108, PETRI_TRANSITIONS=105} [2022-11-18 19:57:25,870 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 5 predicate places. [2022-11-18 19:57:25,870 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 105 transitions, 254 flow [2022-11-18 19:57:25,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-11-18 19:57:25,871 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:25,871 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:25,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:57:25,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:25,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:25,872 INFO L85 PathProgramCache]: Analyzing trace with hash 4546564, now seen corresponding path program 1 times [2022-11-18 19:57:25,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:25,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71481554] [2022-11-18 19:57:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:26,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:26,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71481554] [2022-11-18 19:57:26,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71481554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:26,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:26,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:57:26,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590934075] [2022-11-18 19:57:26,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:26,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:26,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:26,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:26,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:26,060 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 101 [2022-11-18 19:57:26,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 105 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-18 19:57:26,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:26,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 101 [2022-11-18 19:57:26,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:26,138 INFO L130 PetriNetUnfolder]: 18/292 cut-off events. [2022-11-18 19:57:26,138 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-18 19:57:26,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 292 events. 18/292 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1279 event pairs, 8 based on Foata normal form. 2/271 useless extension candidates. Maximal degree in co-relation 343. Up to 48 conditions per place. [2022-11-18 19:57:26,140 INFO L137 encePairwiseOnDemand]: 95/101 looper letters, 15 selfloop transitions, 6 changer transitions 0/105 dead transitions. [2022-11-18 19:57:26,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 278 flow [2022-11-18 19:57:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2022-11-18 19:57:26,141 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9273927392739274 [2022-11-18 19:57:26,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 281 transitions. [2022-11-18 19:57:26,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 281 transitions. [2022-11-18 19:57:26,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:26,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 281 transitions. [2022-11-18 19:57:26,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2022-11-18 19:57:26,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,145 INFO L175 Difference]: Start difference. First operand has 108 places, 105 transitions, 254 flow. Second operand 3 states and 281 transitions. [2022-11-18 19:57:26,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 278 flow [2022-11-18 19:57:26,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 105 transitions, 260 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-11-18 19:57:26,148 INFO L231 Difference]: Finished difference. Result has 105 places, 103 transitions, 240 flow [2022-11-18 19:57:26,148 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=105, PETRI_TRANSITIONS=103} [2022-11-18 19:57:26,149 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 2 predicate places. [2022-11-18 19:57:26,149 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 103 transitions, 240 flow [2022-11-18 19:57:26,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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) [2022-11-18 19:57:26,150 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:26,150 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:26,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:57:26,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:26,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:26,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1772323044, now seen corresponding path program 1 times [2022-11-18 19:57:26,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:26,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968058609] [2022-11-18 19:57:26,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:26,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:26,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:26,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968058609] [2022-11-18 19:57:26,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968058609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:26,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:26,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:26,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027486173] [2022-11-18 19:57:26,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:26,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:26,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:26,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:26,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:26,210 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 101 [2022-11-18 19:57:26,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 103 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2022-11-18 19:57:26,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:26,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 101 [2022-11-18 19:57:26,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:26,358 INFO L130 PetriNetUnfolder]: 69/529 cut-off events. [2022-11-18 19:57:26,358 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 19:57:26,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 529 events. 69/529 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3227 event pairs, 24 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 726. Up to 102 conditions per place. [2022-11-18 19:57:26,361 INFO L137 encePairwiseOnDemand]: 92/101 looper letters, 14 selfloop transitions, 6 changer transitions 4/109 dead transitions. [2022-11-18 19:57:26,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 109 transitions, 296 flow [2022-11-18 19:57:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2022-11-18 19:57:26,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9240924092409241 [2022-11-18 19:57:26,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2022-11-18 19:57:26,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2022-11-18 19:57:26,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:26,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2022-11-18 19:57:26,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2022-11-18 19:57:26,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,366 INFO L175 Difference]: Start difference. First operand has 105 places, 103 transitions, 240 flow. Second operand 3 states and 280 transitions. [2022-11-18 19:57:26,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 109 transitions, 296 flow [2022-11-18 19:57:26,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 109 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:57:26,373 INFO L231 Difference]: Finished difference. Result has 106 places, 103 transitions, 264 flow [2022-11-18 19:57:26,374 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=106, PETRI_TRANSITIONS=103} [2022-11-18 19:57:26,375 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 3 predicate places. [2022-11-18 19:57:26,375 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 103 transitions, 264 flow [2022-11-18 19:57:26,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2022-11-18 19:57:26,376 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:26,376 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:26,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:57:26,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:26,378 INFO L85 PathProgramCache]: Analyzing trace with hash 31914715, now seen corresponding path program 1 times [2022-11-18 19:57:26,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:26,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030816157] [2022-11-18 19:57:26,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:26,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:26,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030816157] [2022-11-18 19:57:26,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030816157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:26,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:26,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621066212] [2022-11-18 19:57:26,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:26,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:26,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:26,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:26,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:26,473 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2022-11-18 19:57:26,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 103 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-18 19:57:26,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:26,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2022-11-18 19:57:26,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:26,612 INFO L130 PetriNetUnfolder]: 82/581 cut-off events. [2022-11-18 19:57:26,613 INFO L131 PetriNetUnfolder]: For 136/173 co-relation queries the response was YES. [2022-11-18 19:57:26,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 581 events. 82/581 cut-off events. For 136/173 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3714 event pairs, 42 based on Foata normal form. 1/549 useless extension candidates. Maximal degree in co-relation 966. Up to 170 conditions per place. [2022-11-18 19:57:26,617 INFO L137 encePairwiseOnDemand]: 96/101 looper letters, 20 selfloop transitions, 3 changer transitions 4/109 dead transitions. [2022-11-18 19:57:26,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 109 transitions, 342 flow [2022-11-18 19:57:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2022-11-18 19:57:26,619 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8877887788778878 [2022-11-18 19:57:26,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:26,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2022-11-18 19:57:26,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,622 INFO L175 Difference]: Start difference. First operand has 106 places, 103 transitions, 264 flow. Second operand 3 states and 269 transitions. [2022-11-18 19:57:26,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 109 transitions, 342 flow [2022-11-18 19:57:26,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 109 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:57:26,631 INFO L231 Difference]: Finished difference. Result has 108 places, 104 transitions, 274 flow [2022-11-18 19:57:26,631 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=108, PETRI_TRANSITIONS=104} [2022-11-18 19:57:26,633 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 5 predicate places. [2022-11-18 19:57:26,633 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 274 flow [2022-11-18 19:57:26,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-18 19:57:26,634 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:26,634 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:26,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:57:26,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:26,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash -378031203, now seen corresponding path program 1 times [2022-11-18 19:57:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:26,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311172230] [2022-11-18 19:57:26,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:26,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:26,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311172230] [2022-11-18 19:57:26,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311172230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:26,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:26,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:26,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870069760] [2022-11-18 19:57:26,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:26,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:26,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:26,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:26,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:26,717 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2022-11-18 19:57:26,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-18 19:57:26,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:57:26,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2022-11-18 19:57:26,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:57:26,854 INFO L130 PetriNetUnfolder]: 69/604 cut-off events. [2022-11-18 19:57:26,855 INFO L131 PetriNetUnfolder]: For 147/200 co-relation queries the response was YES. [2022-11-18 19:57:26,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 604 events. 69/604 cut-off events. For 147/200 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4088 event pairs, 35 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 997. Up to 157 conditions per place. [2022-11-18 19:57:26,857 INFO L137 encePairwiseOnDemand]: 96/101 looper letters, 21 selfloop transitions, 3 changer transitions 6/110 dead transitions. [2022-11-18 19:57:26,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 110 transitions, 352 flow [2022-11-18 19:57:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:57:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2022-11-18 19:57:26,859 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8877887788778878 [2022-11-18 19:57:26,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:57:26,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2022-11-18 19:57:26,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2022-11-18 19:57:26,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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) [2022-11-18 19:57:26,863 INFO L175 Difference]: Start difference. First operand has 108 places, 104 transitions, 274 flow. Second operand 3 states and 269 transitions. [2022-11-18 19:57:26,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 110 transitions, 352 flow [2022-11-18 19:57:26,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 110 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:57:26,867 INFO L231 Difference]: Finished difference. Result has 110 places, 103 transitions, 284 flow [2022-11-18 19:57:26,868 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=110, PETRI_TRANSITIONS=103} [2022-11-18 19:57:26,870 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 7 predicate places. [2022-11-18 19:57:26,870 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 103 transitions, 284 flow [2022-11-18 19:57:26,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-18 19:57:26,871 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:57:26,871 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:26,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:57:26,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2022-11-18 19:57:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:26,873 INFO L85 PathProgramCache]: Analyzing trace with hash -916892591, now seen corresponding path program 1 times [2022-11-18 19:57:26,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:26,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139662099] [2022-11-18 19:57:26,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:57:26,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:57:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:57:26,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:57:26,947 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:57:26,948 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-11-18 19:57:26,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-11-18 19:57:26,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 13 remaining) [2022-11-18 19:57:26,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-11-18 19:57:26,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-11-18 19:57:26,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-11-18 19:57:26,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-11-18 19:57:26,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-11-18 19:57:26,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-11-18 19:57:26,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-11-18 19:57:26,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-11-18 19:57:26,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-11-18 19:57:26,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-11-18 19:57:26,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:57:26,953 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:26,959 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:57:26,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:57:27,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:57:27 BasicIcfg [2022-11-18 19:57:27,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:57:27,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:57:27,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:57:27,009 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:57:27,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:24" (3/4) ... [2022-11-18 19:57:27,021 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:57:27,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:57:27,024 INFO L158 Benchmark]: Toolchain (without parser) took 3646.86ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 143.4MB in the beginning and 135.3MB in the end (delta: 8.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,024 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:57:27,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.57ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 130.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.19ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 127.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,026 INFO L158 Benchmark]: Boogie Preprocessor took 26.32ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 126.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,026 INFO L158 Benchmark]: RCFGBuilder took 452.51ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 112.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,027 INFO L158 Benchmark]: TraceAbstraction took 2370.60ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 111.7MB in the beginning and 135.3MB in the end (delta: -23.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-11-18 19:57:27,027 INFO L158 Benchmark]: Witness Printer took 11.99ms. Allocated memory is still 222.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:57:27,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.57ms. Allocated memory is still 172.0MB. Free memory was 143.4MB in the beginning and 130.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.19ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 127.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.32ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 126.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.51ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 112.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2370.60ms. Allocated memory was 172.0MB in the beginning and 222.3MB in the end (delta: 50.3MB). Free memory was 111.7MB in the beginning and 135.3MB in the end (delta: -23.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 11.99ms. Allocated memory is still 222.3MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 944]: Data race detected Data race detected The following path leads to a data race: [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [gm={1:0}] [L927] 0 void (*f)() = good; VAL [={-1:0}, gm={1:0}] [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, fm={2:0}, gm={1:0}] [L917] 0 int global; VAL [={-1:0}, fm={2:0}, global=0, gm={1:0}] [L938] 0 pthread_t id; VAL [={-1:0}, fm={2:0}, global=0, gm={1:0}, id={3:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={2:0}, global=0, gm={1:0}, id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] 0 f = bad VAL [={-1:2}, fm={2:0}, global=0, gm={1:0}, id={3:0}] [L930] 1 void (*g)(); VAL [={-1:2}, arg={0:0}, arg={0:0}, fm={2:0}, global=0, gm={1:0}] [L932] 1 g = f VAL [={-1:2}, ={-1:2}, arg={0:0}, arg={0:0}, fm={2:0}, global=0, gm={1:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [={-1:2}, fm={2:0}, global=1, global++=0, global++=26, gm={1:0}] [L944] 0 printf("global: %d\n", global) VAL [={-1:2}, fm={2:0}, global=1, gm={1:0}, id={3:0}] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: 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, 149 locations, 13 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: 2.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 68 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=6, 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, 0.5s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2022-11-18 19:57:27,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54df46b1-57d7-4f0c-a952-0d9110bcd380/bin/uautomizer-TMbwUNV5ro/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