./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.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_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/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_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/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_cd7839eb-1b96-4162-8879-b6d8a9e90934/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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- 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 20:38:36,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:38:36,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:38:36,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:38:36,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:38:36,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:38:36,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:38:36,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:38:36,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:38:36,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:38:36,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:38:36,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:38:36,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:38:36,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:38:36,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:38:36,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:38:36,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:38:36,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:38:36,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:38:36,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:38:36,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:38:36,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:38:36,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:38:36,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:38:36,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:38:36,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:38:36,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:38:36,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:38:36,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:38:36,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:38:36,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:38:36,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:38:36,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:38:36,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:38:36,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:38:36,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:38:36,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:38:36,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:38:36,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:38:36,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:38:36,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:38:36,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:38:36,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:38:36,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:38:36,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:38:36,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:38:36,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:38:36,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:38:36,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:38:36,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:38:36,861 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:38:36,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:38:36,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:38:36,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:38:36,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:38:36,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:38:36,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:38:36,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:38:36,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:38:36,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:38:36,865 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:38:36,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:38:36,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:38:36,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:38:36,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:38:36,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:38:36,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:38:36,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:38:36,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:36,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:38:36,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:38:36,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:38:36,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:38:36,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:38:36,870 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:38:36,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:38:36,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:38:36,871 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_cd7839eb-1b96-4162-8879-b6d8a9e90934/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2022-11-02 20:38:37,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:38:37,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:38:37,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:38:37,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:38:37,259 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:38:37,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-02 20:38:37,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/data/f919bba4b/19dfe0d74549434c914ebf57df915dd7/FLAGf557820ea [2022-11-02 20:38:37,898 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:38:37,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-02 20:38:37,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/data/f919bba4b/19dfe0d74549434c914ebf57df915dd7/FLAGf557820ea [2022-11-02 20:38:38,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/data/f919bba4b/19dfe0d74549434c914ebf57df915dd7 [2022-11-02 20:38:38,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:38:38,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:38:38,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:38,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:38:38,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:38:38,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8bced5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38, skipping insertion in model container [2022-11-02 20:38:38,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:38:38,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:38:38,688 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_cd7839eb-1b96-4162-8879-b6d8a9e90934/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-02 20:38:38,693 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_cd7839eb-1b96-4162-8879-b6d8a9e90934/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-02 20:38:38,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:38,717 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:38:38,751 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_cd7839eb-1b96-4162-8879-b6d8a9e90934/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-02 20:38:38,753 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_cd7839eb-1b96-4162-8879-b6d8a9e90934/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-02 20:38:38,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:38,792 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:38:38,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38 WrapperNode [2022-11-02 20:38:38,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:38,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:38,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:38:38,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:38:38,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,837 INFO L138 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-02 20:38:38,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:38,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:38:38,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:38:38,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:38:38,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:38:38,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:38:38,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:38:38,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:38:38,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (1/1) ... [2022-11-02 20:38:38,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:38,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:38,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:38:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-11-02 20:38:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-11-02 20:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-11-02 20:38:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-11-02 20:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:38:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:38:38,973 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 20:38:39,163 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:38:39,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:38:39,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:38:39,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:38:39,526 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:38:39,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:39 BoogieIcfgContainer [2022-11-02 20:38:39,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:38:39,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:38:39,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:38:39,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:38:39,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:38:38" (1/3) ... [2022-11-02 20:38:39,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78658cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:38:39, skipping insertion in model container [2022-11-02 20:38:39,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:38" (2/3) ... [2022-11-02 20:38:39,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78658cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:38:39, skipping insertion in model container [2022-11-02 20:38:39,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:39" (3/3) ... [2022-11-02 20:38:39,537 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2022-11-02 20:38:39,545 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:38:39,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:38:39,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-02 20:38:39,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:38:39,651 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:38:39,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 150 transitions, 316 flow [2022-11-02 20:38:39,767 INFO L130 PetriNetUnfolder]: 5/148 cut-off events. [2022-11-02 20:38:39,767 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:38:39,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 148 events. 5/148 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 231 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 3 conditions per place. [2022-11-02 20:38:39,772 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 150 transitions, 316 flow [2022-11-02 20:38:39,777 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 138 transitions, 285 flow [2022-11-02 20:38:39,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:38:39,793 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;@24767958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:38:39,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-02 20:38:39,802 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-11-02 20:38:39,803 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:38:39,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:39,803 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] [2022-11-02 20:38:39,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:39,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1113001902, now seen corresponding path program 1 times [2022-11-02 20:38:39,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:39,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130025433] [2022-11-02 20:38:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,134 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 20:38:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:40,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130025433] [2022-11-02 20:38:40,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130025433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:40,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:40,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:40,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588480139] [2022-11-02 20:38:40,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:40,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:40,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:40,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:40,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:40,179 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 150 [2022-11-02 20:38:40,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 138 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:40,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:40,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 150 [2022-11-02 20:38:40,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:40,265 INFO L130 PetriNetUnfolder]: 6/206 cut-off events. [2022-11-02 20:38:40,266 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-02 20:38:40,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 206 events. 6/206 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 547 event pairs, 2 based on Foata normal form. 11/187 useless extension candidates. Maximal degree in co-relation 167. Up to 11 conditions per place. [2022-11-02 20:38:40,270 INFO L137 encePairwiseOnDemand]: 143/150 looper letters, 10 selfloop transitions, 2 changer transitions 1/133 dead transitions. [2022-11-02 20:38:40,270 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 305 flow [2022-11-02 20:38:40,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2022-11-02 20:38:40,284 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2022-11-02 20:38:40,285 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:40,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 20:38:40,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,302 INFO L175 Difference]: Start difference. First operand has 140 places, 138 transitions, 285 flow. Second operand 3 states and 415 transitions. [2022-11-02 20:38:40,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 305 flow [2022-11-02 20:38:40,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 297 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-02 20:38:40,310 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 268 flow [2022-11-02 20:38:40,312 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2022-11-02 20:38:40,316 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-02 20:38:40,316 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 268 flow [2022-11-02 20:38:40,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:40,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:40,317 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] [2022-11-02 20:38:40,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:38:40,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:40,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:40,319 INFO L85 PathProgramCache]: Analyzing trace with hash -147962717, now seen corresponding path program 1 times [2022-11-02 20:38:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:40,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261570173] [2022-11-02 20:38:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,394 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 20:38:40,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:40,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261570173] [2022-11-02 20:38:40,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261570173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:40,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:40,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858370199] [2022-11-02 20:38:40,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:40,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:40,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:40,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:40,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:40,409 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 150 [2022-11-02 20:38:40,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:40,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:40,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 150 [2022-11-02 20:38:40,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:40,573 INFO L130 PetriNetUnfolder]: 23/356 cut-off events. [2022-11-02 20:38:40,574 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-02 20:38:40,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 356 events. 23/356 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1518 event pairs, 5 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 322. Up to 29 conditions per place. [2022-11-02 20:38:40,580 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 13 selfloop transitions, 4 changer transitions 0/135 dead transitions. [2022-11-02 20:38:40,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 135 transitions, 315 flow [2022-11-02 20:38:40,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2022-11-02 20:38:40,589 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2022-11-02 20:38:40,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:40,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2022-11-02 20:38:40,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 20:38:40,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,597 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 268 flow. Second operand 3 states and 415 transitions. [2022-11-02 20:38:40,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 135 transitions, 315 flow [2022-11-02 20:38:40,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 135 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:40,601 INFO L231 Difference]: Finished difference. Result has 135 places, 131 transitions, 288 flow [2022-11-02 20:38:40,602 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=135, PETRI_TRANSITIONS=131} [2022-11-02 20:38:40,603 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-02 20:38:40,603 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 131 transitions, 288 flow [2022-11-02 20:38:40,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:40,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:40,604 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] [2022-11-02 20:38:40,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:38:40,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:40,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:40,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1649632502, now seen corresponding path program 1 times [2022-11-02 20:38:40,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:40,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428924133] [2022-11-02 20:38:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:40,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,718 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 20:38:40,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:40,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428924133] [2022-11-02 20:38:40,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428924133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:40,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:40,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:38:40,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690744012] [2022-11-02 20:38:40,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:40,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:40,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:40,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:40,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:40,722 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 150 [2022-11-02 20:38:40,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 131 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 20:38:40,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:40,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 150 [2022-11-02 20:38:40,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:40,788 INFO L130 PetriNetUnfolder]: 6/268 cut-off events. [2022-11-02 20:38:40,788 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-02 20:38:40,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 268 events. 6/268 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 845 event pairs, 1 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 176. Up to 9 conditions per place. [2022-11-02 20:38:40,791 INFO L137 encePairwiseOnDemand]: 147/150 looper letters, 6 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2022-11-02 20:38:40,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 131 transitions, 306 flow [2022-11-02 20:38:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2022-11-02 20:38:40,795 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9266666666666666 [2022-11-02 20:38:40,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2022-11-02 20:38:40,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2022-11-02 20:38:40,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:40,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2022-11-02 20:38:40,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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 20:38:40,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:40,799 INFO L175 Difference]: Start difference. First operand has 135 places, 131 transitions, 288 flow. Second operand 3 states and 417 transitions. [2022-11-02 20:38:40,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 131 transitions, 306 flow [2022-11-02 20:38:40,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 131 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:40,808 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 282 flow [2022-11-02 20:38:40,808 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2022-11-02 20:38:40,811 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-02 20:38:40,811 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 282 flow [2022-11-02 20:38:40,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 20:38:40,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:40,812 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] [2022-11-02 20:38:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:38:40,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:40,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1370978517, now seen corresponding path program 1 times [2022-11-02 20:38:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:40,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625885323] [2022-11-02 20:38:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,910 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 20:38:40,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:40,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625885323] [2022-11-02 20:38:40,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625885323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:40,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:40,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:40,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917867407] [2022-11-02 20:38:40,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:40,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:40,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:40,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:40,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:40,914 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-02 20:38:40,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 20:38:40,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:40,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-02 20:38:40,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:41,025 INFO L130 PetriNetUnfolder]: 27/407 cut-off events. [2022-11-02 20:38:41,025 INFO L131 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2022-11-02 20:38:41,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 407 events. 27/407 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1901 event pairs, 8 based on Foata normal form. 2/345 useless extension candidates. Maximal degree in co-relation 357. Up to 45 conditions per place. [2022-11-02 20:38:41,029 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 18 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2022-11-02 20:38:41,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 137 transitions, 350 flow [2022-11-02 20:38:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2022-11-02 20:38:41,032 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2022-11-02 20:38:41,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2022-11-02 20:38:41,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2022-11-02 20:38:41,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:41,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2022-11-02 20:38:41,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 20:38:41,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:41,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:41,036 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 282 flow. Second operand 3 states and 410 transitions. [2022-11-02 20:38:41,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 137 transitions, 350 flow [2022-11-02 20:38:41,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 137 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:41,041 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 310 flow [2022-11-02 20:38:41,041 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2022-11-02 20:38:41,042 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -3 predicate places. [2022-11-02 20:38:41,042 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 310 flow [2022-11-02 20:38:41,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 20:38:41,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:41,043 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] [2022-11-02 20:38:41,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:38:41,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:41,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:41,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1236074446, now seen corresponding path program 1 times [2022-11-02 20:38:41,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:41,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242683109] [2022-11-02 20:38:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,687 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 20:38:41,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:41,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242683109] [2022-11-02 20:38:41,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242683109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:41,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:41,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:38:41,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796218107] [2022-11-02 20:38:41,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:41,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:41,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:41,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:41,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:38:41,691 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 150 [2022-11-02 20:38:41,693 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 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 20:38:41,693 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:41,693 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 150 [2022-11-02 20:38:41,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:41,795 INFO L130 PetriNetUnfolder]: 6/280 cut-off events. [2022-11-02 20:38:41,795 INFO L131 PetriNetUnfolder]: For 17/42 co-relation queries the response was YES. [2022-11-02 20:38:41,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 280 events. 6/280 cut-off events. For 17/42 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1030 event pairs, 0 based on Foata normal form. 16/259 useless extension candidates. Maximal degree in co-relation 299. Up to 30 conditions per place. [2022-11-02 20:38:41,798 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 14 selfloop transitions, 4 changer transitions 0/132 dead transitions. [2022-11-02 20:38:41,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 132 transitions, 344 flow [2022-11-02 20:38:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:38:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:38:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 757 transitions. [2022-11-02 20:38:41,801 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8411111111111111 [2022-11-02 20:38:41,801 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 757 transitions. [2022-11-02 20:38:41,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 757 transitions. [2022-11-02 20:38:41,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:41,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 757 transitions. [2022-11-02 20:38:41,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 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 20:38:41,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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 20:38:41,807 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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 20:38:41,807 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 310 flow. Second operand 6 states and 757 transitions. [2022-11-02 20:38:41,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 132 transitions, 344 flow [2022-11-02 20:38:41,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 132 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:41,811 INFO L231 Difference]: Finished difference. Result has 139 places, 132 transitions, 308 flow [2022-11-02 20:38:41,811 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=132} [2022-11-02 20:38:41,812 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-02 20:38:41,812 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 132 transitions, 308 flow [2022-11-02 20:38:41,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 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 20:38:41,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:41,813 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] [2022-11-02 20:38:41,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:38:41,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash 662133532, now seen corresponding path program 1 times [2022-11-02 20:38:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:41,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730082318] [2022-11-02 20:38:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,882 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 20:38:41,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:41,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730082318] [2022-11-02 20:38:41,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730082318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:41,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:41,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:41,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704815904] [2022-11-02 20:38:41,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:41,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:41,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:41,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:41,886 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-02 20:38:41,887 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 20:38:41,887 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:41,887 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-02 20:38:41,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:42,072 INFO L130 PetriNetUnfolder]: 161/800 cut-off events. [2022-11-02 20:38:42,072 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-02 20:38:42,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 800 events. 161/800 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4678 event pairs, 86 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 1067. Up to 289 conditions per place. [2022-11-02 20:38:42,078 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 21 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2022-11-02 20:38:42,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 141 transitions, 379 flow [2022-11-02 20:38:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2022-11-02 20:38:42,081 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666 [2022-11-02 20:38:42,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2022-11-02 20:38:42,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2022-11-02 20:38:42,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:42,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2022-11-02 20:38:42,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 20:38:42,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,084 INFO L175 Difference]: Start difference. First operand has 139 places, 132 transitions, 308 flow. Second operand 3 states and 408 transitions. [2022-11-02 20:38:42,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 141 transitions, 379 flow [2022-11-02 20:38:42,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 141 transitions, 372 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:38:42,088 INFO L231 Difference]: Finished difference. Result has 139 places, 136 transitions, 339 flow [2022-11-02 20:38:42,089 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=139, PETRI_TRANSITIONS=136} [2022-11-02 20:38:42,089 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-02 20:38:42,089 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 136 transitions, 339 flow [2022-11-02 20:38:42,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 20:38:42,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:42,090 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] [2022-11-02 20:38:42,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:38:42,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:42,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:42,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1269560716, now seen corresponding path program 1 times [2022-11-02 20:38:42,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:42,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961396255] [2022-11-02 20:38:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,133 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 20:38:42,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:42,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961396255] [2022-11-02 20:38:42,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961396255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:42,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:42,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951062157] [2022-11-02 20:38:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:42,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:42,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:42,136 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-02 20:38:42,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 136 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:42,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:42,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-02 20:38:42,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:42,213 INFO L130 PetriNetUnfolder]: 36/450 cut-off events. [2022-11-02 20:38:42,213 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-02 20:38:42,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 450 events. 36/450 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2177 event pairs, 8 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 514. Up to 47 conditions per place. [2022-11-02 20:38:42,217 INFO L137 encePairwiseOnDemand]: 147/150 looper letters, 10 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2022-11-02 20:38:42,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 136 transitions, 365 flow [2022-11-02 20:38:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 403 transitions. [2022-11-02 20:38:42,219 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8955555555555555 [2022-11-02 20:38:42,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 403 transitions. [2022-11-02 20:38:42,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 403 transitions. [2022-11-02 20:38:42,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:42,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 403 transitions. [2022-11-02 20:38:42,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 20:38:42,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,222 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,223 INFO L175 Difference]: Start difference. First operand has 139 places, 136 transitions, 339 flow. Second operand 3 states and 403 transitions. [2022-11-02 20:38:42,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 136 transitions, 365 flow [2022-11-02 20:38:42,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:42,227 INFO L231 Difference]: Finished difference. Result has 138 places, 135 transitions, 331 flow [2022-11-02 20:38:42,227 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=331, PETRI_PLACES=138, PETRI_TRANSITIONS=135} [2022-11-02 20:38:42,228 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -2 predicate places. [2022-11-02 20:38:42,228 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 135 transitions, 331 flow [2022-11-02 20:38:42,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:38:42,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:42,229 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] [2022-11-02 20:38:42,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:38:42,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:42,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1164336517, now seen corresponding path program 1 times [2022-11-02 20:38:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:42,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28765782] [2022-11-02 20:38:42,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,284 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 20:38:42,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:42,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28765782] [2022-11-02 20:38:42,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28765782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:42,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:42,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295700693] [2022-11-02 20:38:42,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:42,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:42,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:42,289 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 150 [2022-11-02 20:38:42,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 135 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 20:38:42,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:42,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 150 [2022-11-02 20:38:42,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:42,463 INFO L130 PetriNetUnfolder]: 115/785 cut-off events. [2022-11-02 20:38:42,463 INFO L131 PetriNetUnfolder]: For 111/153 co-relation queries the response was YES. [2022-11-02 20:38:42,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 785 events. 115/785 cut-off events. For 111/153 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4901 event pairs, 37 based on Foata normal form. 3/672 useless extension candidates. Maximal degree in co-relation 1120. Up to 148 conditions per place. [2022-11-02 20:38:42,468 INFO L137 encePairwiseOnDemand]: 142/150 looper letters, 24 selfloop transitions, 7 changer transitions 0/148 dead transitions. [2022-11-02 20:38:42,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 148 transitions, 434 flow [2022-11-02 20:38:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2022-11-02 20:38:42,470 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9244444444444444 [2022-11-02 20:38:42,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2022-11-02 20:38:42,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2022-11-02 20:38:42,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:42,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2022-11-02 20:38:42,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 20:38:42,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:42,474 INFO L175 Difference]: Start difference. First operand has 138 places, 135 transitions, 331 flow. Second operand 3 states and 416 transitions. [2022-11-02 20:38:42,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 148 transitions, 434 flow [2022-11-02 20:38:42,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 148 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:38:42,477 INFO L231 Difference]: Finished difference. Result has 140 places, 141 transitions, 389 flow [2022-11-02 20:38:42,478 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=140, PETRI_TRANSITIONS=141} [2022-11-02 20:38:42,478 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, 0 predicate places. [2022-11-02 20:38:42,478 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 141 transitions, 389 flow [2022-11-02 20:38:42,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 20:38:42,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:42,479 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] [2022-11-02 20:38:42,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:38:42,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:42,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:42,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1965719096, now seen corresponding path program 1 times [2022-11-02 20:38:42,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:42,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503271046] [2022-11-02 20:38:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:42,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,755 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 20:38:42,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:42,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503271046] [2022-11-02 20:38:42,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503271046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:42,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:38:42,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767767671] [2022-11-02 20:38:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:42,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:38:42,759 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 150 [2022-11-02 20:38:42,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 141 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 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 20:38:42,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:42,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 150 [2022-11-02 20:38:42,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:42,932 INFO L130 PetriNetUnfolder]: 35/477 cut-off events. [2022-11-02 20:38:42,932 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-11-02 20:38:42,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 477 events. 35/477 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2282 event pairs, 10 based on Foata normal form. 2/433 useless extension candidates. Maximal degree in co-relation 605. Up to 44 conditions per place. [2022-11-02 20:38:42,935 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 21 selfloop transitions, 6 changer transitions 0/139 dead transitions. [2022-11-02 20:38:42,935 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 139 transitions, 428 flow [2022-11-02 20:38:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:38:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:38:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 634 transitions. [2022-11-02 20:38:42,938 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8453333333333334 [2022-11-02 20:38:42,938 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 634 transitions. [2022-11-02 20:38:42,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 634 transitions. [2022-11-02 20:38:42,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:42,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 634 transitions. [2022-11-02 20:38:42,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 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 20:38:42,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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 20:38:42,942 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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 20:38:42,943 INFO L175 Difference]: Start difference. First operand has 140 places, 141 transitions, 389 flow. Second operand 5 states and 634 transitions. [2022-11-02 20:38:42,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 139 transitions, 428 flow [2022-11-02 20:38:42,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 139 transitions, 404 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-11-02 20:38:42,948 INFO L231 Difference]: Finished difference. Result has 138 places, 135 transitions, 351 flow [2022-11-02 20:38:42,948 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=351, PETRI_PLACES=138, PETRI_TRANSITIONS=135} [2022-11-02 20:38:42,949 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -2 predicate places. [2022-11-02 20:38:42,949 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 135 transitions, 351 flow [2022-11-02 20:38:42,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 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 20:38:42,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:42,950 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] [2022-11-02 20:38:42,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:38:42,950 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:42,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash -862410923, now seen corresponding path program 1 times [2022-11-02 20:38:42,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:42,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391903872] [2022-11-02 20:38:42,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:42,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,992 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 20:38:42,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391903872] [2022-11-02 20:38:42,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391903872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:42,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:38:42,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437970295] [2022-11-02 20:38:42,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:42,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:42,995 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-02 20:38:42,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 135 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 20:38:42,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:42,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-02 20:38:42,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:43,104 INFO L130 PetriNetUnfolder]: 68/507 cut-off events. [2022-11-02 20:38:43,104 INFO L131 PetriNetUnfolder]: For 99/141 co-relation queries the response was YES. [2022-11-02 20:38:43,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 507 events. 68/507 cut-off events. For 99/141 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2458 event pairs, 25 based on Foata normal form. 1/456 useless extension candidates. Maximal degree in co-relation 589. Up to 138 conditions per place. [2022-11-02 20:38:43,108 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 30 selfloop transitions, 7 changer transitions 0/146 dead transitions. [2022-11-02 20:38:43,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 146 transitions, 467 flow [2022-11-02 20:38:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2022-11-02 20:38:43,110 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666 [2022-11-02 20:38:43,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2022-11-02 20:38:43,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2022-11-02 20:38:43,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:43,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2022-11-02 20:38:43,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 20:38:43,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:43,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:43,113 INFO L175 Difference]: Start difference. First operand has 138 places, 135 transitions, 351 flow. Second operand 3 states and 408 transitions. [2022-11-02 20:38:43,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 146 transitions, 467 flow [2022-11-02 20:38:43,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 146 transitions, 460 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-02 20:38:43,117 INFO L231 Difference]: Finished difference. Result has 139 places, 139 transitions, 396 flow [2022-11-02 20:38:43,118 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=139, PETRI_TRANSITIONS=139} [2022-11-02 20:38:43,118 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-02 20:38:43,118 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 396 flow [2022-11-02 20:38:43,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 20:38:43,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:43,119 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:43,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:38:43,119 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:43,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1721419940, now seen corresponding path program 1 times [2022-11-02 20:38:43,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:43,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980245759] [2022-11-02 20:38:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,179 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 20:38:43,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:43,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980245759] [2022-11-02 20:38:43,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980245759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:43,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:43,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:38:43,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116027438] [2022-11-02 20:38:43,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:43,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:43,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:43,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:43,182 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 150 [2022-11-02 20:38:43,182 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 20:38:43,182 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:43,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 150 [2022-11-02 20:38:43,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:43,221 INFO L130 PetriNetUnfolder]: 3/210 cut-off events. [2022-11-02 20:38:43,221 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-11-02 20:38:43,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 210 events. 3/210 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 474 event pairs, 1 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 197. Up to 10 conditions per place. [2022-11-02 20:38:43,222 INFO L137 encePairwiseOnDemand]: 148/150 looper letters, 9 selfloop transitions, 1 changer transitions 2/124 dead transitions. [2022-11-02 20:38:43,223 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 124 transitions, 332 flow [2022-11-02 20:38:43,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:38:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2022-11-02 20:38:43,224 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9311111111111111 [2022-11-02 20:38:43,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2022-11-02 20:38:43,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2022-11-02 20:38:43,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:43,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2022-11-02 20:38:43,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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 20:38:43,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:43,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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 20:38:43,228 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 396 flow. Second operand 3 states and 419 transitions. [2022-11-02 20:38:43,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 124 transitions, 332 flow [2022-11-02 20:38:43,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 124 transitions, 296 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-11-02 20:38:43,231 INFO L231 Difference]: Finished difference. Result has 132 places, 120 transitions, 271 flow [2022-11-02 20:38:43,231 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=132, PETRI_TRANSITIONS=120} [2022-11-02 20:38:43,232 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -8 predicate places. [2022-11-02 20:38:43,232 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 120 transitions, 271 flow [2022-11-02 20:38:43,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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 20:38:43,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:38:43,232 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, 1, 1, 1, 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 20:38:43,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:38:43,233 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-02 20:38:43,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:43,233 INFO L85 PathProgramCache]: Analyzing trace with hash 916336099, now seen corresponding path program 1 times [2022-11-02 20:38:43,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:43,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974952265] [2022-11-02 20:38:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:43,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,749 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 20:38:43,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:43,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974952265] [2022-11-02 20:38:43,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974952265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:43,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:43,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:38:43,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908378173] [2022-11-02 20:38:43,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:43,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:43,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:43,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:43,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:38:43,753 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 150 [2022-11-02 20:38:43,754 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 120 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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 20:38:43,754 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:38:43,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 150 [2022-11-02 20:38:43,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:38:43,819 INFO L130 PetriNetUnfolder]: 1/176 cut-off events. [2022-11-02 20:38:43,820 INFO L131 PetriNetUnfolder]: For 5/17 co-relation queries the response was YES. [2022-11-02 20:38:43,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 176 events. 1/176 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 307 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 162. Up to 15 conditions per place. [2022-11-02 20:38:43,820 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 0 selfloop transitions, 0 changer transitions 119/119 dead transitions. [2022-11-02 20:38:43,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 119 transitions, 301 flow [2022-11-02 20:38:43,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:38:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:38:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions. [2022-11-02 20:38:43,823 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8388888888888889 [2022-11-02 20:38:43,824 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions. [2022-11-02 20:38:43,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions. [2022-11-02 20:38:43,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:38:43,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions. [2022-11-02 20:38:43,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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 20:38:43,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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 20:38:43,831 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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 20:38:43,831 INFO L175 Difference]: Start difference. First operand has 132 places, 120 transitions, 271 flow. Second operand 6 states and 755 transitions. [2022-11-02 20:38:43,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 119 transitions, 301 flow [2022-11-02 20:38:43,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 119 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:38:43,834 INFO L231 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2022-11-02 20:38:43,834 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2022-11-02 20:38:43,836 INFO L287 CegarLoopForPetriNet]: 140 programPoint places, -7 predicate places. [2022-11-02 20:38:43,836 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2022-11-02 20:38:43,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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 20:38:43,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-11-02 20:38:43,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-11-02 20:38:43,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-11-02 20:38:43,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-11-02 20:38:43,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-11-02 20:38:43,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2022-11-02 20:38:43,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-11-02 20:38:43,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-11-02 20:38:43,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-11-02 20:38:43,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-11-02 20:38:43,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-11-02 20:38:43,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-11-02 20:38:43,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2022-11-02 20:38:43,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2022-11-02 20:38:43,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-11-02 20:38:43,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-11-02 20:38:43,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-11-02 20:38:43,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-11-02 20:38:43,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-11-02 20:38:43,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-11-02 20:38:43,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-11-02 20:38:43,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-11-02 20:38:43,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:38:43,848 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:43,853 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:38:43,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:38:43,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:38:43 BasicIcfg [2022-11-02 20:38:43,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:38:43,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:38:43,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:38:43,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:38:43,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:39" (3/4) ... [2022-11-02 20:38:43,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:38:43,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2022-11-02 20:38:43,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2022-11-02 20:38:43,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-02 20:38:43,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:38:43,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:38:43,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:38:43,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:38:43,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:38:43,925 INFO L158 Benchmark]: Toolchain (without parser) took 5748.96ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 81.6MB in the beginning and 108.4MB in the end (delta: -26.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,925 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:38:43,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.03ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 84.4MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.72ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,926 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,926 INFO L158 Benchmark]: RCFGBuilder took 661.10ms. Allocated memory is still 119.5MB. Free memory was 80.2MB in the beginning and 63.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,927 INFO L158 Benchmark]: TraceAbstraction took 4330.44ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 62.8MB in the beginning and 111.6MB in the end (delta: -48.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,927 INFO L158 Benchmark]: Witness Printer took 62.51ms. Allocated memory is still 186.6MB. Free memory was 111.6MB in the beginning and 108.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:38:43,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.03ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 84.4MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.72ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.10ms. Allocated memory is still 119.5MB. Free memory was 80.2MB in the beginning and 63.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4330.44ms. Allocated memory was 119.5MB in the beginning and 186.6MB in the end (delta: 67.1MB). Free memory was 62.8MB in the beginning and 111.6MB in the end (delta: -48.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 62.51ms. Allocated memory is still 186.6MB. Free memory was 111.6MB in the beginning and 108.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 209 locations, 22 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: 4.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 93 mSDtfsCounter, 287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=10, InterpolantAutomatonStates: 44, 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:38:43,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd7839eb-1b96-4162-8879-b6d8a9e90934/bin/uautomizer-Dbtcem3rbc/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 Result: TRUE