./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc --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 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f --- 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-5e519f3 [2022-11-02 20:35:36,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:36,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:36,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:36,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:36,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:36,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:36,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:36,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:36,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:36,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:36,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:36,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:36,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:36,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:36,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:36,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:36,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:36,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:36,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:36,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:36,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:36,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:36,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:36,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:36,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:36,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:36,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:36,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:36,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:36,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:36,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:36,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:36,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:36,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:36,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:36,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:36,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:36,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:36,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:36,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:36,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:35:36,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:36,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:36,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:36,194 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:36,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:36,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:36,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:36,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:36,205 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:36,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:36,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:35:36,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:35:36,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:35:36,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:35:36,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:36,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:36,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:36,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:36,208 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:35:36,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:35:36,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:36,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:36,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:36,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:36,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:36,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:36,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:36,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:36,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:36,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:36,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:35:36,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:35:36,212 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:36,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:36,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:36,213 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_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cabfb562ba6db3565aeefcac93f8b58d01fa462eed650e93390c0861cc54f4f [2022-11-02 20:35:36,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:36,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:36,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:36,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:36,587 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:36,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-11-02 20:35:36,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/data/517c41a37/008b31626c494c4dbda22bf7c08f2fe6/FLAG461b04708 [2022-11-02 20:35:37,367 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:37,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2022-11-02 20:35:37,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/data/517c41a37/008b31626c494c4dbda22bf7c08f2fe6/FLAG461b04708 [2022-11-02 20:35:37,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/data/517c41a37/008b31626c494c4dbda22bf7c08f2fe6 [2022-11-02 20:35:37,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:37,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:37,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:37,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:37,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:37,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:37,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fd3bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37, skipping insertion in model container [2022-11-02 20:35:37,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:37,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:37,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:38,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-11-02 20:35:38,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:38,551 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:38,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i[76077,76090] [2022-11-02 20:35:38,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:38,749 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:38,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38 WrapperNode [2022-11-02 20:35:38,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:38,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:38,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:38,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:38,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,873 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-02 20:35:38,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:38,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:38,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:38,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:38,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:38,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:39,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:39,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:39,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:39,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:39,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (1/1) ... [2022-11-02 20:35:39,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:39,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:39,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:39,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c3aca69-40c4-46e4-bf11-e45d9c420e84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:35:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:35:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:35:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-02 20:35:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-02 20:35:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:35:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:39,123 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:35:39,542 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:39,544 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:40,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:40,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:40,061 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:35:40,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:40 BoogieIcfgContainer [2022-11-02 20:35:40,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:40,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:40,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:40,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:40,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:37" (1/3) ... [2022-11-02 20:35:40,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f1b0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:40, skipping insertion in model container [2022-11-02 20:35:40,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:38" (2/3) ... [2022-11-02 20:35:40,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f1b0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:40, skipping insertion in model container [2022-11-02 20:35:40,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:40" (3/3) ... [2022-11-02 20:35:40,072 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3b-container_of.i [2022-11-02 20:35:40,081 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:35:40,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:40,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-02 20:35:40,093 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:35:40,183 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:35:40,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-11-02 20:35:40,512 INFO L130 PetriNetUnfolder]: 10/408 cut-off events. [2022-11-02 20:35:40,513 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:35:40,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 10/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 741 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 218. Up to 4 conditions per place. [2022-11-02 20:35:40,521 INFO L82 GeneralOperation]: Start removeDead. Operand has 329 places, 331 transitions, 678 flow [2022-11-02 20:35:40,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 328 transitions, 668 flow [2022-11-02 20:35:40,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:40,565 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;@6ba0ddd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:40,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-02 20:35:40,575 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-02 20:35:40,575 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:35:40,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:35:40,576 INFO L208 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] [2022-11-02 20:35:40,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-02 20:35:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash -601804379, now seen corresponding path program 1 times [2022-11-02 20:35:40,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:40,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399823966] [2022-11-02 20:35:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:35:41,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:41,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399823966] [2022-11-02 20:35:41,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399823966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:41,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:41,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:41,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261258800] [2022-11-02 20:35:41,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:41,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:35:41,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:41,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:41,799 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 331 [2022-11-02 20:35:41,814 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 328 transitions, 668 flow. Second operand has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 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) [2022-11-02 20:35:41,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:35:41,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 331 [2022-11-02 20:35:41,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:35:59,830 INFO L130 PetriNetUnfolder]: 40141/88151 cut-off events. [2022-11-02 20:35:59,831 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-11-02 20:36:00,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149868 conditions, 88151 events. 40141/88151 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 985. Compared 925364 event pairs, 40140 based on Foata normal form. 1353/77460 useless extension candidates. Maximal degree in co-relation 149010. Up to 61649 conditions per place. [2022-11-02 20:36:00,440 INFO L137 encePairwiseOnDemand]: 319/331 looper letters, 130 selfloop transitions, 5 changer transitions 2/315 dead transitions. [2022-11-02 20:36:00,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 315 transitions, 912 flow [2022-11-02 20:36:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:36:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:36:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1240 transitions. [2022-11-02 20:36:00,469 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6243705941591138 [2022-11-02 20:36:00,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1240 transitions. [2022-11-02 20:36:00,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1240 transitions. [2022-11-02 20:36:00,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:36:00,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1240 transitions. [2022-11-02 20:36:00,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 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) [2022-11-02 20:36:00,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2022-11-02 20:36:00,503 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2022-11-02 20:36:00,506 INFO L175 Difference]: Start difference. First operand has 327 places, 328 transitions, 668 flow. Second operand 6 states and 1240 transitions. [2022-11-02 20:36:00,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 315 transitions, 912 flow [2022-11-02 20:36:00,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 315 transitions, 904 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:36:00,539 INFO L231 Difference]: Finished difference. Result has 321 places, 313 transitions, 640 flow [2022-11-02 20:36:00,542 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=321, PETRI_TRANSITIONS=313} [2022-11-02 20:36:00,549 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -6 predicate places. [2022-11-02 20:36:00,549 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 313 transitions, 640 flow [2022-11-02 20:36:00,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 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) [2022-11-02 20:36:00,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:36:00,551 INFO L208 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] [2022-11-02 20:36:00,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:36:00,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-02 20:36:00,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:00,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1640350890, now seen corresponding path program 1 times [2022-11-02 20:36:00,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:00,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906290671] [2022-11-02 20:36:00,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:01,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906290671] [2022-11-02 20:36:01,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906290671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:01,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:01,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:01,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602539209] [2022-11-02 20:36:01,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:01,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:36:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:01,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:36:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:36:01,215 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 331 [2022-11-02 20:36:01,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 313 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 185.83333333333334) internal successors, (1115), 6 states have internal predecessors, (1115), 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) [2022-11-02 20:36:01,217 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:36:01,217 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 331 [2022-11-02 20:36:01,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:36:15,452 INFO L130 PetriNetUnfolder]: 40141/88092 cut-off events. [2022-11-02 20:36:15,452 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:36:15,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149772 conditions, 88092 events. 40141/88092 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 925554 event pairs, 40140 based on Foata normal form. 0/76050 useless extension candidates. Maximal degree in co-relation 149710. Up to 61648 conditions per place. [2022-11-02 20:36:15,876 INFO L137 encePairwiseOnDemand]: 325/331 looper letters, 129 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2022-11-02 20:36:15,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 312 transitions, 906 flow [2022-11-02 20:36:15,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:36:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:36:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1233 transitions. [2022-11-02 20:36:15,881 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.620845921450151 [2022-11-02 20:36:15,882 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1233 transitions. [2022-11-02 20:36:15,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1233 transitions. [2022-11-02 20:36:15,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:36:15,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1233 transitions. [2022-11-02 20:36:15,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 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) [2022-11-02 20:36:15,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2022-11-02 20:36:15,892 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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) [2022-11-02 20:36:15,892 INFO L175 Difference]: Start difference. First operand has 321 places, 313 transitions, 640 flow. Second operand 6 states and 1233 transitions. [2022-11-02 20:36:15,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 312 transitions, 906 flow [2022-11-02 20:36:15,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 312 transitions, 896 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:36:15,907 INFO L231 Difference]: Finished difference. Result has 318 places, 312 transitions, 638 flow [2022-11-02 20:36:15,908 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=318, PETRI_TRANSITIONS=312} [2022-11-02 20:36:15,909 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -9 predicate places. [2022-11-02 20:36:15,909 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 312 transitions, 638 flow [2022-11-02 20:36:15,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.83333333333334) internal successors, (1115), 6 states have internal predecessors, (1115), 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) [2022-11-02 20:36:15,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:36:15,911 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:15,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:36:15,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-02 20:36:15,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:15,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1116314912, now seen corresponding path program 1 times [2022-11-02 20:36:15,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:15,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427125494] [2022-11-02 20:36:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:15,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:16,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:16,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427125494] [2022-11-02 20:36:16,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427125494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:16,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:16,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:16,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728680369] [2022-11-02 20:36:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:16,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:36:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:16,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:36:16,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:36:16,739 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 331 [2022-11-02 20:36:16,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 312 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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) [2022-11-02 20:36:16,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:36:16,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 331 [2022-11-02 20:36:16,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand