./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/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_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/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_f7b5135f-45c6-4eac-b574-e876ac9aed81/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 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 --- 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 21:07:07,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:07,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:07,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:07,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:07,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:07,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:07,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:07,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:07,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:07,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:07,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:07,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:07,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:07,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:07,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:07,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:07,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:07,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:07,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:07,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:07,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:07,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:07,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:07,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:07,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:07,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:07,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:07,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:07,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:07,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:07,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:07,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:07,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:07,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:07,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:07,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:07,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:07,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:07,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:07,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:07,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:07:07,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:07,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:07,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:07,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:07,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:07:07,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:07:07,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:07,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:07,909 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:07,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:07,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:07:07,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:07:07,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:07,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:07:07,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:07,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:07:07,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:07:07,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:07:07,913 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:07:07,913 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:07:07,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:07,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:07,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:07:07,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:07,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:07,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:07:07,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:07,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:07,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:07:07,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:07:07,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:07,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:07:07,917 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:07:07,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:07:07,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:07:07,917 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_f7b5135f-45c6-4eac-b574-e876ac9aed81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 [2022-11-02 21:07:08,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:08,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:08,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:08,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:08,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:08,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2022-11-02 21:07:08,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/data/9d0941065/333f001b2c764679bbe1f232500ff4c0/FLAGde11bbd24 [2022-11-02 21:07:08,963 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:08,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2022-11-02 21:07:08,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/data/9d0941065/333f001b2c764679bbe1f232500ff4c0/FLAGde11bbd24 [2022-11-02 21:07:09,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/data/9d0941065/333f001b2c764679bbe1f232500ff4c0 [2022-11-02 21:07:09,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:09,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:09,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:09,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:09,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:09,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aa74fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09, skipping insertion in model container [2022-11-02 21:07:09,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:09,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:07:09,720 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_f7b5135f-45c6-4eac-b574-e876ac9aed81/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-11-02 21:07:09,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:09,734 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:07:09,769 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_f7b5135f-45c6-4eac-b574-e876ac9aed81/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c[2808,2821] [2022-11-02 21:07:09,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:09,787 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:07:09,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09 WrapperNode [2022-11-02 21:07:09,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:09,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:09,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:07:09,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:07:09,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,858 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 414 [2022-11-02 21:07:09,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:09,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:07:09,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:07:09,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:07:09,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:07:09,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:07:09,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:07:09,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:07:09,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (1/1) ... [2022-11-02 21:07:09,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:09,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:09,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:09,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:07:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:07:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:07:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:07:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:07:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:07:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:07:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:07:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:07:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:07:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:07:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:07:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:07:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:07:10,015 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 21:07:10,198 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:07:10,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:07:10,987 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:07:11,000 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:07:11,001 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:07:11,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:11 BoogieIcfgContainer [2022-11-02 21:07:11,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:07:11,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:07:11,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:07:11,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:07:11,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:07:09" (1/3) ... [2022-11-02 21:07:11,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bc4776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:11, skipping insertion in model container [2022-11-02 21:07:11,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:09" (2/3) ... [2022-11-02 21:07:11,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bc4776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:11, skipping insertion in model container [2022-11-02 21:07:11,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:11" (3/3) ... [2022-11-02 21:07:11,014 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2022-11-02 21:07:11,023 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:07:11,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:07:11,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2022-11-02 21:07:11,034 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:07:11,193 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 21:07:11,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 526 places, 548 transitions, 1112 flow [2022-11-02 21:07:11,473 INFO L130 PetriNetUnfolder]: 29/546 cut-off events. [2022-11-02 21:07:11,474 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 21:07:11,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 546 events. 29/546 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1491 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 412. Up to 2 conditions per place. [2022-11-02 21:07:11,486 INFO L82 GeneralOperation]: Start removeDead. Operand has 526 places, 548 transitions, 1112 flow [2022-11-02 21:07:11,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 507 places, 528 transitions, 1068 flow [2022-11-02 21:07:11,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:07:11,535 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;@27612bef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:07:11,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2022-11-02 21:07:11,544 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-02 21:07:11,544 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:07:11,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:11,545 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] [2022-11-02 21:07:11,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:11,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1556896531, now seen corresponding path program 1 times [2022-11-02 21:07:11,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:11,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141378500] [2022-11-02 21:07:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:11,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:11,823 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 21:07:11,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:11,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141378500] [2022-11-02 21:07:11,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141378500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:11,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:11,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:11,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641292093] [2022-11-02 21:07:11,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:11,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:11,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:11,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:11,890 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 507 out of 548 [2022-11-02 21:07:11,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 528 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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 21:07:11,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:11,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 507 of 548 [2022-11-02 21:07:11,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:12,422 INFO L130 PetriNetUnfolder]: 124/2008 cut-off events. [2022-11-02 21:07:12,423 INFO L131 PetriNetUnfolder]: For 67/112 co-relation queries the response was YES. [2022-11-02 21:07:12,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2179 conditions, 2008 events. 124/2008 cut-off events. For 67/112 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 13647 event pairs, 51 based on Foata normal form. 44/1622 useless extension candidates. Maximal degree in co-relation 1984. Up to 142 conditions per place. [2022-11-02 21:07:12,446 INFO L137 encePairwiseOnDemand]: 531/548 looper letters, 22 selfloop transitions, 2 changer transitions 3/513 dead transitions. [2022-11-02 21:07:12,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 513 transitions, 1086 flow [2022-11-02 21:07:12,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:12,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1560 transitions. [2022-11-02 21:07:12,473 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.948905109489051 [2022-11-02 21:07:12,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1560 transitions. [2022-11-02 21:07:12,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1560 transitions. [2022-11-02 21:07:12,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:12,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1560 transitions. [2022-11-02 21:07:12,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 520.0) internal successors, (1560), 3 states have internal predecessors, (1560), 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 21:07:12,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:12,551 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:12,553 INFO L175 Difference]: Start difference. First operand has 507 places, 528 transitions, 1068 flow. Second operand 3 states and 1560 transitions. [2022-11-02 21:07:12,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 513 transitions, 1086 flow [2022-11-02 21:07:12,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 513 transitions, 1078 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:07:12,577 INFO L231 Difference]: Finished difference. Result has 504 places, 510 transitions, 1028 flow [2022-11-02 21:07:12,580 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1030, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1028, PETRI_PLACES=504, PETRI_TRANSITIONS=510} [2022-11-02 21:07:12,584 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -3 predicate places. [2022-11-02 21:07:12,584 INFO L495 AbstractCegarLoop]: Abstraction has has 504 places, 510 transitions, 1028 flow [2022-11-02 21:07:12,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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 21:07:12,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:12,586 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] [2022-11-02 21:07:12,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:07:12,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2056033811, now seen corresponding path program 1 times [2022-11-02 21:07:12,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771746331] [2022-11-02 21:07:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:12,685 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 21:07:12,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:12,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771746331] [2022-11-02 21:07:12,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771746331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:12,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:12,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:12,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214610336] [2022-11-02 21:07:12,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:12,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:12,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:12,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:12,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:12,694 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 492 out of 548 [2022-11-02 21:07:12,697 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 510 transitions, 1028 flow. Second operand has 3 states, 3 states have (on average 493.3333333333333) internal successors, (1480), 3 states have internal predecessors, (1480), 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 21:07:12,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:12,702 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 492 of 548 [2022-11-02 21:07:12,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:13,339 INFO L130 PetriNetUnfolder]: 216/2435 cut-off events. [2022-11-02 21:07:13,339 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-11-02 21:07:13,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2724 conditions, 2435 events. 216/2435 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 16709 event pairs, 87 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 2693. Up to 278 conditions per place. [2022-11-02 21:07:13,376 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 37 selfloop transitions, 2 changer transitions 0/509 dead transitions. [2022-11-02 21:07:13,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 509 transitions, 1104 flow [2022-11-02 21:07:13,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1516 transitions. [2022-11-02 21:07:13,381 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9221411192214112 [2022-11-02 21:07:13,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1516 transitions. [2022-11-02 21:07:13,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1516 transitions. [2022-11-02 21:07:13,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:13,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1516 transitions. [2022-11-02 21:07:13,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 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 21:07:13,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:13,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:13,394 INFO L175 Difference]: Start difference. First operand has 504 places, 510 transitions, 1028 flow. Second operand 3 states and 1516 transitions. [2022-11-02 21:07:13,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 509 transitions, 1104 flow [2022-11-02 21:07:13,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 509 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:13,407 INFO L231 Difference]: Finished difference. Result has 500 places, 509 transitions, 1026 flow [2022-11-02 21:07:13,408 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1026, PETRI_PLACES=500, PETRI_TRANSITIONS=509} [2022-11-02 21:07:13,409 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -7 predicate places. [2022-11-02 21:07:13,410 INFO L495 AbstractCegarLoop]: Abstraction has has 500 places, 509 transitions, 1026 flow [2022-11-02 21:07:13,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 493.3333333333333) internal successors, (1480), 3 states have internal predecessors, (1480), 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 21:07:13,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:13,411 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] [2022-11-02 21:07:13,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:07:13,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:13,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1792569233, now seen corresponding path program 1 times [2022-11-02 21:07:13,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:13,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461605378] [2022-11-02 21:07:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:13,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:13,487 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 21:07:13,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:13,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461605378] [2022-11-02 21:07:13,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461605378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:13,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:13,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:13,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166307106] [2022-11-02 21:07:13,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:13,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:13,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:13,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:13,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:13,493 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 495 out of 548 [2022-11-02 21:07:13,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 509 transitions, 1026 flow. Second operand has 3 states, 3 states have (on average 496.3333333333333) internal successors, (1489), 3 states have internal predecessors, (1489), 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 21:07:13,496 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:13,496 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 495 of 548 [2022-11-02 21:07:13,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:14,016 INFO L130 PetriNetUnfolder]: 142/2009 cut-off events. [2022-11-02 21:07:14,016 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-11-02 21:07:14,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2177 conditions, 2009 events. 142/2009 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 12877 event pairs, 44 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2138. Up to 157 conditions per place. [2022-11-02 21:07:14,050 INFO L137 encePairwiseOnDemand]: 537/548 looper letters, 25 selfloop transitions, 1 changer transitions 0/499 dead transitions. [2022-11-02 21:07:14,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 499 transitions, 1058 flow [2022-11-02 21:07:14,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2022-11-02 21:07:14,055 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9251824817518248 [2022-11-02 21:07:14,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2022-11-02 21:07:14,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2022-11-02 21:07:14,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:14,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2022-11-02 21:07:14,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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 21:07:14,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:14,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:14,066 INFO L175 Difference]: Start difference. First operand has 500 places, 509 transitions, 1026 flow. Second operand 3 states and 1521 transitions. [2022-11-02 21:07:14,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 499 transitions, 1058 flow [2022-11-02 21:07:14,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 499 transitions, 1054 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:14,076 INFO L231 Difference]: Finished difference. Result has 490 places, 499 transitions, 1004 flow [2022-11-02 21:07:14,077 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1004, PETRI_PLACES=490, PETRI_TRANSITIONS=499} [2022-11-02 21:07:14,078 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -17 predicate places. [2022-11-02 21:07:14,078 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 499 transitions, 1004 flow [2022-11-02 21:07:14,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.3333333333333) internal successors, (1489), 3 states have internal predecessors, (1489), 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 21:07:14,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:14,080 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] [2022-11-02 21:07:14,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:07:14,080 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:14,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1221798408, now seen corresponding path program 1 times [2022-11-02 21:07:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:14,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214370073] [2022-11-02 21:07:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:14,154 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 21:07:14,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:14,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214370073] [2022-11-02 21:07:14,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214370073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:14,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:14,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:14,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212131093] [2022-11-02 21:07:14,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:14,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:14,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:14,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:14,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:14,158 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 548 [2022-11-02 21:07:14,160 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 499 transitions, 1004 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 21:07:14,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:14,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 548 [2022-11-02 21:07:14,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:14,677 INFO L130 PetriNetUnfolder]: 204/2214 cut-off events. [2022-11-02 21:07:14,678 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-11-02 21:07:14,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2487 conditions, 2214 events. 204/2214 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14859 event pairs, 87 based on Foata normal form. 0/1777 useless extension candidates. Maximal degree in co-relation 2449. Up to 263 conditions per place. [2022-11-02 21:07:14,702 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 31 selfloop transitions, 2 changer transitions 0/498 dead transitions. [2022-11-02 21:07:14,702 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 498 transitions, 1068 flow [2022-11-02 21:07:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2022-11-02 21:07:14,706 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9294403892944039 [2022-11-02 21:07:14,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2022-11-02 21:07:14,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2022-11-02 21:07:14,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:14,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2022-11-02 21:07:14,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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 21:07:14,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:14,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:14,719 INFO L175 Difference]: Start difference. First operand has 490 places, 499 transitions, 1004 flow. Second operand 3 states and 1528 transitions. [2022-11-02 21:07:14,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 498 transitions, 1068 flow [2022-11-02 21:07:14,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 498 transitions, 1067 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:07:14,731 INFO L231 Difference]: Finished difference. Result has 490 places, 498 transitions, 1005 flow [2022-11-02 21:07:14,732 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1001, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1005, PETRI_PLACES=490, PETRI_TRANSITIONS=498} [2022-11-02 21:07:14,733 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -17 predicate places. [2022-11-02 21:07:14,733 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 498 transitions, 1005 flow [2022-11-02 21:07:14,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 21:07:14,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:14,734 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:14,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:07:14,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:14,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:14,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1151798637, now seen corresponding path program 1 times [2022-11-02 21:07:14,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:14,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685193803] [2022-11-02 21:07:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:14,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:15,416 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 21:07:15,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:15,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685193803] [2022-11-02 21:07:15,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685193803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:15,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:15,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:15,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941681562] [2022-11-02 21:07:15,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:15,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:15,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:15,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:15,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:15,423 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 548 [2022-11-02 21:07:15,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 498 transitions, 1005 flow. Second operand has 6 states, 6 states have (on average 452.8333333333333) internal successors, (2717), 6 states have internal predecessors, (2717), 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 21:07:15,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:15,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 548 [2022-11-02 21:07:15,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:20,299 INFO L130 PetriNetUnfolder]: 5025/24281 cut-off events. [2022-11-02 21:07:20,299 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2022-11-02 21:07:20,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31152 conditions, 24281 events. 5025/24281 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 281744 event pairs, 3864 based on Foata normal form. 0/19339 useless extension candidates. Maximal degree in co-relation 31115. Up to 6853 conditions per place. [2022-11-02 21:07:20,555 INFO L137 encePairwiseOnDemand]: 542/548 looper letters, 75 selfloop transitions, 5 changer transitions 0/497 dead transitions. [2022-11-02 21:07:20,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 497 transitions, 1163 flow [2022-11-02 21:07:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:07:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2787 transitions. [2022-11-02 21:07:20,563 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8476277372262774 [2022-11-02 21:07:20,563 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2787 transitions. [2022-11-02 21:07:20,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2787 transitions. [2022-11-02 21:07:20,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:20,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2787 transitions. [2022-11-02 21:07:20,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.5) internal successors, (2787), 6 states have internal predecessors, (2787), 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 21:07:20,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:20,585 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:20,585 INFO L175 Difference]: Start difference. First operand has 490 places, 498 transitions, 1005 flow. Second operand 6 states and 2787 transitions. [2022-11-02 21:07:20,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 497 transitions, 1163 flow [2022-11-02 21:07:20,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 497 transitions, 1159 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:20,598 INFO L231 Difference]: Finished difference. Result has 492 places, 497 transitions, 1009 flow [2022-11-02 21:07:20,599 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1009, PETRI_PLACES=492, PETRI_TRANSITIONS=497} [2022-11-02 21:07:20,600 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -15 predicate places. [2022-11-02 21:07:20,600 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 497 transitions, 1009 flow [2022-11-02 21:07:20,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 452.8333333333333) internal successors, (2717), 6 states have internal predecessors, (2717), 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 21:07:20,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:20,602 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] [2022-11-02 21:07:20,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:07:20,603 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:20,604 INFO L85 PathProgramCache]: Analyzing trace with hash 286919407, now seen corresponding path program 1 times [2022-11-02 21:07:20,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:20,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737568287] [2022-11-02 21:07:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:20,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:20,656 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 21:07:20,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:20,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737568287] [2022-11-02 21:07:20,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737568287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:20,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:20,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:20,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280641518] [2022-11-02 21:07:20,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:20,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:20,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:20,662 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 510 out of 548 [2022-11-02 21:07:20,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 497 transitions, 1009 flow. Second operand has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 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 21:07:20,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:20,665 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 510 of 548 [2022-11-02 21:07:20,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:21,054 INFO L130 PetriNetUnfolder]: 83/1538 cut-off events. [2022-11-02 21:07:21,054 INFO L131 PetriNetUnfolder]: For 10/21 co-relation queries the response was YES. [2022-11-02 21:07:21,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 1538 events. 83/1538 cut-off events. For 10/21 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9172 event pairs, 16 based on Foata normal form. 1/1265 useless extension candidates. Maximal degree in co-relation 1615. Up to 78 conditions per place. [2022-11-02 21:07:21,066 INFO L137 encePairwiseOnDemand]: 541/548 looper letters, 17 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2022-11-02 21:07:21,066 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 495 transitions, 1044 flow [2022-11-02 21:07:21,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1554 transitions. [2022-11-02 21:07:21,070 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9452554744525548 [2022-11-02 21:07:21,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1554 transitions. [2022-11-02 21:07:21,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1554 transitions. [2022-11-02 21:07:21,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:21,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1554 transitions. [2022-11-02 21:07:21,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 518.0) internal successors, (1554), 3 states have internal predecessors, (1554), 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 21:07:21,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,080 INFO L175 Difference]: Start difference. First operand has 492 places, 497 transitions, 1009 flow. Second operand 3 states and 1554 transitions. [2022-11-02 21:07:21,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 495 transitions, 1044 flow [2022-11-02 21:07:21,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 495 transitions, 1034 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:07:21,090 INFO L231 Difference]: Finished difference. Result has 485 places, 494 transitions, 1003 flow [2022-11-02 21:07:21,091 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=989, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1003, PETRI_PLACES=485, PETRI_TRANSITIONS=494} [2022-11-02 21:07:21,092 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -22 predicate places. [2022-11-02 21:07:21,092 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 494 transitions, 1003 flow [2022-11-02 21:07:21,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.6666666666667) internal successors, (1535), 3 states have internal predecessors, (1535), 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 21:07:21,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:21,093 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] [2022-11-02 21:07:21,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:07:21,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash 632378167, now seen corresponding path program 1 times [2022-11-02 21:07:21,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:21,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919170568] [2022-11-02 21:07:21,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:21,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:21,137 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 21:07:21,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:21,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919170568] [2022-11-02 21:07:21,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919170568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:21,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:21,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:21,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258695146] [2022-11-02 21:07:21,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:21,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:21,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:21,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:21,142 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 548 [2022-11-02 21:07:21,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 494 transitions, 1003 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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 21:07:21,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:21,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 548 [2022-11-02 21:07:21,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:21,293 INFO L130 PetriNetUnfolder]: 40/870 cut-off events. [2022-11-02 21:07:21,294 INFO L131 PetriNetUnfolder]: For 3/5 co-relation queries the response was YES. [2022-11-02 21:07:21,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 870 events. 40/870 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3848 event pairs, 3 based on Foata normal form. 1/735 useless extension candidates. Maximal degree in co-relation 895. Up to 21 conditions per place. [2022-11-02 21:07:21,305 INFO L137 encePairwiseOnDemand]: 541/548 looper letters, 13 selfloop transitions, 3 changer transitions 0/491 dead transitions. [2022-11-02 21:07:21,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 491 transitions, 1030 flow [2022-11-02 21:07:21,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1559 transitions. [2022-11-02 21:07:21,309 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9482968369829684 [2022-11-02 21:07:21,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1559 transitions. [2022-11-02 21:07:21,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1559 transitions. [2022-11-02 21:07:21,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:21,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1559 transitions. [2022-11-02 21:07:21,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 519.6666666666666) internal successors, (1559), 3 states have internal predecessors, (1559), 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 21:07:21,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,333 INFO L175 Difference]: Start difference. First operand has 485 places, 494 transitions, 1003 flow. Second operand 3 states and 1559 transitions. [2022-11-02 21:07:21,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 491 transitions, 1030 flow [2022-11-02 21:07:21,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 491 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:07:21,344 INFO L231 Difference]: Finished difference. Result has 483 places, 490 transitions, 1001 flow [2022-11-02 21:07:21,344 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1001, PETRI_PLACES=483, PETRI_TRANSITIONS=490} [2022-11-02 21:07:21,345 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -24 predicate places. [2022-11-02 21:07:21,346 INFO L495 AbstractCegarLoop]: Abstraction has has 483 places, 490 transitions, 1001 flow [2022-11-02 21:07:21,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 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 21:07:21,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:21,347 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] [2022-11-02 21:07:21,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:07:21,347 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1564015806, now seen corresponding path program 1 times [2022-11-02 21:07:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:21,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111971653] [2022-11-02 21:07:21,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:21,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:21,406 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 21:07:21,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:21,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111971653] [2022-11-02 21:07:21,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111971653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:21,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:21,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:21,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063530733] [2022-11-02 21:07:21,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:21,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:21,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:21,410 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 548 [2022-11-02 21:07:21,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 490 transitions, 1001 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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 21:07:21,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:21,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 548 [2022-11-02 21:07:21,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:21,699 INFO L130 PetriNetUnfolder]: 105/1151 cut-off events. [2022-11-02 21:07:21,699 INFO L131 PetriNetUnfolder]: For 66/71 co-relation queries the response was YES. [2022-11-02 21:07:21,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1151 events. 105/1151 cut-off events. For 66/71 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6707 event pairs, 21 based on Foata normal form. 2/1022 useless extension candidates. Maximal degree in co-relation 1396. Up to 173 conditions per place. [2022-11-02 21:07:21,710 INFO L137 encePairwiseOnDemand]: 511/548 looper letters, 53 selfloop transitions, 14 changer transitions 5/469 dead transitions. [2022-11-02 21:07:21,710 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 469 transitions, 1098 flow [2022-11-02 21:07:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1414 transitions. [2022-11-02 21:07:21,714 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8600973236009732 [2022-11-02 21:07:21,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1414 transitions. [2022-11-02 21:07:21,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1414 transitions. [2022-11-02 21:07:21,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:21,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1414 transitions. [2022-11-02 21:07:21,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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 21:07:21,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:21,722 INFO L175 Difference]: Start difference. First operand has 483 places, 490 transitions, 1001 flow. Second operand 3 states and 1414 transitions. [2022-11-02 21:07:21,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 469 transitions, 1098 flow [2022-11-02 21:07:21,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 469 transitions, 1092 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:21,733 INFO L231 Difference]: Finished difference. Result has 461 places, 463 transitions, 968 flow [2022-11-02 21:07:21,734 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=968, PETRI_PLACES=461, PETRI_TRANSITIONS=463} [2022-11-02 21:07:21,737 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -46 predicate places. [2022-11-02 21:07:21,738 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 463 transitions, 968 flow [2022-11-02 21:07:21,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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 21:07:21,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:21,739 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] [2022-11-02 21:07:21,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:07:21,739 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1142504733, now seen corresponding path program 1 times [2022-11-02 21:07:21,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:21,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564370306] [2022-11-02 21:07:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:22,239 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 21:07:22,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:22,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564370306] [2022-11-02 21:07:22,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564370306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:22,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:22,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:22,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050580973] [2022-11-02 21:07:22,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:22,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:22,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:22,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:22,245 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 548 [2022-11-02 21:07:22,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 463 transitions, 968 flow. Second operand has 6 states, 6 states have (on average 457.8333333333333) internal successors, (2747), 6 states have internal predecessors, (2747), 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 21:07:22,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:22,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 548 [2022-11-02 21:07:22,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:26,516 INFO L130 PetriNetUnfolder]: 4894/19799 cut-off events. [2022-11-02 21:07:26,516 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-11-02 21:07:26,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27658 conditions, 19799 events. 4894/19799 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 210303 event pairs, 2248 based on Foata normal form. 0/17292 useless extension candidates. Maximal degree in co-relation 27618. Up to 2564 conditions per place. [2022-11-02 21:07:26,624 INFO L137 encePairwiseOnDemand]: 543/548 looper letters, 259 selfloop transitions, 4 changer transitions 0/654 dead transitions. [2022-11-02 21:07:26,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 654 transitions, 1876 flow [2022-11-02 21:07:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:07:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3000 transitions. [2022-11-02 21:07:26,631 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9124087591240876 [2022-11-02 21:07:26,631 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3000 transitions. [2022-11-02 21:07:26,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3000 transitions. [2022-11-02 21:07:26,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:26,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3000 transitions. [2022-11-02 21:07:26,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 500.0) internal successors, (3000), 6 states have internal predecessors, (3000), 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 21:07:26,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:26,645 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:26,646 INFO L175 Difference]: Start difference. First operand has 461 places, 463 transitions, 968 flow. Second operand 6 states and 3000 transitions. [2022-11-02 21:07:26,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 654 transitions, 1876 flow [2022-11-02 21:07:26,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 654 transitions, 1848 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:26,662 INFO L231 Difference]: Finished difference. Result has 458 places, 462 transitions, 946 flow [2022-11-02 21:07:26,662 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=458, PETRI_TRANSITIONS=462} [2022-11-02 21:07:26,663 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -49 predicate places. [2022-11-02 21:07:26,663 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 462 transitions, 946 flow [2022-11-02 21:07:26,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 457.8333333333333) internal successors, (2747), 6 states have internal predecessors, (2747), 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 21:07:26,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:26,664 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] [2022-11-02 21:07:26,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:07:26,665 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:26,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:26,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1495179717, now seen corresponding path program 1 times [2022-11-02 21:07:26,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:26,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350324193] [2022-11-02 21:07:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:26,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:26,711 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 21:07:26,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:26,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350324193] [2022-11-02 21:07:26,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350324193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:26,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:26,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:26,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745093963] [2022-11-02 21:07:26,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:26,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:26,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:26,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:26,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:26,715 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 548 [2022-11-02 21:07:26,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 462 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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 21:07:26,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:26,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 548 [2022-11-02 21:07:26,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:27,022 INFO L130 PetriNetUnfolder]: 139/2027 cut-off events. [2022-11-02 21:07:27,022 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-02 21:07:27,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2209 conditions, 2027 events. 139/2027 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 13150 event pairs, 15 based on Foata normal form. 0/1807 useless extension candidates. Maximal degree in co-relation 2171. Up to 143 conditions per place. [2022-11-02 21:07:27,040 INFO L137 encePairwiseOnDemand]: 535/548 looper letters, 23 selfloop transitions, 5 changer transitions 0/461 dead transitions. [2022-11-02 21:07:27,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 461 transitions, 1002 flow [2022-11-02 21:07:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1539 transitions. [2022-11-02 21:07:27,044 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9361313868613139 [2022-11-02 21:07:27,044 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1539 transitions. [2022-11-02 21:07:27,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1539 transitions. [2022-11-02 21:07:27,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:27,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1539 transitions. [2022-11-02 21:07:27,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 513.0) internal successors, (1539), 3 states have internal predecessors, (1539), 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 21:07:27,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:27,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:27,052 INFO L175 Difference]: Start difference. First operand has 458 places, 462 transitions, 946 flow. Second operand 3 states and 1539 transitions. [2022-11-02 21:07:27,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 461 transitions, 1002 flow [2022-11-02 21:07:27,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 461 transitions, 995 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:07:27,061 INFO L231 Difference]: Finished difference. Result has 449 places, 459 transitions, 958 flow [2022-11-02 21:07:27,062 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=958, PETRI_PLACES=449, PETRI_TRANSITIONS=459} [2022-11-02 21:07:27,063 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -58 predicate places. [2022-11-02 21:07:27,063 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 459 transitions, 958 flow [2022-11-02 21:07:27,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 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 21:07:27,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:27,064 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, 1, 1, 1] [2022-11-02 21:07:27,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:07:27,064 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1787530721, now seen corresponding path program 1 times [2022-11-02 21:07:27,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:27,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639860254] [2022-11-02 21:07:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:27,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:27,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639860254] [2022-11-02 21:07:27,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639860254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:27,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:27,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:27,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647229882] [2022-11-02 21:07:27,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:27,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:07:27,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:27,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:07:27,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:07:27,205 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 548 [2022-11-02 21:07:27,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 459 transitions, 958 flow. Second operand has 4 states, 4 states have (on average 515.0) internal successors, (2060), 4 states have internal predecessors, (2060), 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 21:07:27,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:27,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 548 [2022-11-02 21:07:27,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:27,996 INFO L130 PetriNetUnfolder]: 171/3230 cut-off events. [2022-11-02 21:07:27,996 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-11-02 21:07:28,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3501 conditions, 3230 events. 171/3230 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 24345 event pairs, 15 based on Foata normal form. 1/2884 useless extension candidates. Maximal degree in co-relation 3462. Up to 74 conditions per place. [2022-11-02 21:07:28,022 INFO L137 encePairwiseOnDemand]: 542/548 looper letters, 29 selfloop transitions, 6 changer transitions 0/476 dead transitions. [2022-11-02 21:07:28,022 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 476 transitions, 1066 flow [2022-11-02 21:07:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:07:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2596 transitions. [2022-11-02 21:07:28,032 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9474452554744526 [2022-11-02 21:07:28,032 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2596 transitions. [2022-11-02 21:07:28,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2596 transitions. [2022-11-02 21:07:28,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:28,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2596 transitions. [2022-11-02 21:07:28,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 519.2) internal successors, (2596), 5 states have internal predecessors, (2596), 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 21:07:28,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:28,048 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:28,049 INFO L175 Difference]: Start difference. First operand has 449 places, 459 transitions, 958 flow. Second operand 5 states and 2596 transitions. [2022-11-02 21:07:28,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 476 transitions, 1066 flow [2022-11-02 21:07:28,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 476 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:07:28,060 INFO L231 Difference]: Finished difference. Result has 456 places, 463 transitions, 996 flow [2022-11-02 21:07:28,061 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=996, PETRI_PLACES=456, PETRI_TRANSITIONS=463} [2022-11-02 21:07:28,062 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -51 predicate places. [2022-11-02 21:07:28,062 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 463 transitions, 996 flow [2022-11-02 21:07:28,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 515.0) internal successors, (2060), 4 states have internal predecessors, (2060), 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 21:07:28,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:28,063 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, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:28,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:07:28,064 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:28,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:28,065 INFO L85 PathProgramCache]: Analyzing trace with hash -976899558, now seen corresponding path program 1 times [2022-11-02 21:07:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:28,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563421425] [2022-11-02 21:07:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:28,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:28,606 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 21:07:28,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563421425] [2022-11-02 21:07:28,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563421425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:28,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:28,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:28,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457927335] [2022-11-02 21:07:28,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:28,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:28,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:28,613 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 548 [2022-11-02 21:07:28,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 463 transitions, 996 flow. Second operand has 6 states, 6 states have (on average 458.8333333333333) internal successors, (2753), 6 states have internal predecessors, (2753), 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 21:07:28,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:28,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 548 [2022-11-02 21:07:28,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:35,976 INFO L130 PetriNetUnfolder]: 8745/38223 cut-off events. [2022-11-02 21:07:35,977 INFO L131 PetriNetUnfolder]: For 149/149 co-relation queries the response was YES. [2022-11-02 21:07:36,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52158 conditions, 38223 events. 8745/38223 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 448226 event pairs, 6783 based on Foata normal form. 0/33880 useless extension candidates. Maximal degree in co-relation 52113. Up to 11352 conditions per place. [2022-11-02 21:07:36,303 INFO L137 encePairwiseOnDemand]: 543/548 looper letters, 234 selfloop transitions, 4 changer transitions 0/630 dead transitions. [2022-11-02 21:07:36,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 630 transitions, 1806 flow [2022-11-02 21:07:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:07:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2975 transitions. [2022-11-02 21:07:36,314 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9048053527980535 [2022-11-02 21:07:36,314 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2975 transitions. [2022-11-02 21:07:36,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2975 transitions. [2022-11-02 21:07:36,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:36,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2975 transitions. [2022-11-02 21:07:36,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 495.8333333333333) internal successors, (2975), 6 states have internal predecessors, (2975), 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 21:07:36,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:36,343 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:36,343 INFO L175 Difference]: Start difference. First operand has 456 places, 463 transitions, 996 flow. Second operand 6 states and 2975 transitions. [2022-11-02 21:07:36,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 630 transitions, 1806 flow [2022-11-02 21:07:36,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 630 transitions, 1806 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:07:36,362 INFO L231 Difference]: Finished difference. Result has 460 places, 462 transitions, 1002 flow [2022-11-02 21:07:36,363 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1002, PETRI_PLACES=460, PETRI_TRANSITIONS=462} [2022-11-02 21:07:36,364 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -47 predicate places. [2022-11-02 21:07:36,365 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 462 transitions, 1002 flow [2022-11-02 21:07:36,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 458.8333333333333) internal successors, (2753), 6 states have internal predecessors, (2753), 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 21:07:36,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:36,367 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:36,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:07:36,367 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:36,368 INFO L85 PathProgramCache]: Analyzing trace with hash 137262211, now seen corresponding path program 1 times [2022-11-02 21:07:36,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:36,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826710437] [2022-11-02 21:07:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:36,838 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 21:07:36,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:36,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826710437] [2022-11-02 21:07:36,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826710437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:36,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:36,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:36,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101448757] [2022-11-02 21:07:36,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:36,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:36,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:36,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:36,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:36,848 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 548 [2022-11-02 21:07:36,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 462 transitions, 1002 flow. Second operand has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 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 21:07:36,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:36,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 548 [2022-11-02 21:07:36,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:44,636 INFO L130 PetriNetUnfolder]: 12577/40366 cut-off events. [2022-11-02 21:07:44,636 INFO L131 PetriNetUnfolder]: For 3777/3777 co-relation queries the response was YES. [2022-11-02 21:07:44,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64323 conditions, 40366 events. 12577/40366 cut-off events. For 3777/3777 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 441419 event pairs, 5109 based on Foata normal form. 0/36675 useless extension candidates. Maximal degree in co-relation 64277. Up to 9668 conditions per place. [2022-11-02 21:07:44,985 INFO L137 encePairwiseOnDemand]: 542/548 looper letters, 296 selfloop transitions, 6 changer transitions 0/681 dead transitions. [2022-11-02 21:07:44,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 681 transitions, 2052 flow [2022-11-02 21:07:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:07:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2982 transitions. [2022-11-02 21:07:44,992 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.906934306569343 [2022-11-02 21:07:44,993 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2982 transitions. [2022-11-02 21:07:44,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2982 transitions. [2022-11-02 21:07:44,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:44,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2982 transitions. [2022-11-02 21:07:45,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 497.0) internal successors, (2982), 6 states have internal predecessors, (2982), 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 21:07:45,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:45,010 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:45,010 INFO L175 Difference]: Start difference. First operand has 460 places, 462 transitions, 1002 flow. Second operand 6 states and 2982 transitions. [2022-11-02 21:07:45,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 681 transitions, 2052 flow [2022-11-02 21:07:45,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 681 transitions, 2045 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:07:45,026 INFO L231 Difference]: Finished difference. Result has 460 places, 461 transitions, 1005 flow [2022-11-02 21:07:45,027 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=993, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1005, PETRI_PLACES=460, PETRI_TRANSITIONS=461} [2022-11-02 21:07:45,027 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -47 predicate places. [2022-11-02 21:07:45,027 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 461 transitions, 1005 flow [2022-11-02 21:07:45,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 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 21:07:45,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:45,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:45,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:07:45,029 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:45,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:45,030 INFO L85 PathProgramCache]: Analyzing trace with hash 229265797, now seen corresponding path program 1 times [2022-11-02 21:07:45,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:45,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439108295] [2022-11-02 21:07:45,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:45,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:45,293 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 21:07:45,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:45,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439108295] [2022-11-02 21:07:45,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439108295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:45,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:45,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178696131] [2022-11-02 21:07:45,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:45,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:07:45,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:45,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:07:45,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:07:45,298 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 548 [2022-11-02 21:07:45,301 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 461 transitions, 1005 flow. Second operand has 4 states, 4 states have (on average 455.25) internal successors, (1821), 4 states have internal predecessors, (1821), 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 21:07:45,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:45,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 548 [2022-11-02 21:07:45,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:46,102 INFO L130 PetriNetUnfolder]: 337/3095 cut-off events. [2022-11-02 21:07:46,102 INFO L131 PetriNetUnfolder]: For 224/227 co-relation queries the response was YES. [2022-11-02 21:07:46,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4218 conditions, 3095 events. 337/3095 cut-off events. For 224/227 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 23989 event pairs, 78 based on Foata normal form. 1/2815 useless extension candidates. Maximal degree in co-relation 4173. Up to 595 conditions per place. [2022-11-02 21:07:46,128 INFO L137 encePairwiseOnDemand]: 539/548 looper letters, 115 selfloop transitions, 9 changer transitions 0/507 dead transitions. [2022-11-02 21:07:46,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 507 transitions, 1348 flow [2022-11-02 21:07:46,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:07:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2385 transitions. [2022-11-02 21:07:46,135 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8704379562043796 [2022-11-02 21:07:46,136 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2385 transitions. [2022-11-02 21:07:46,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2385 transitions. [2022-11-02 21:07:46,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:46,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2385 transitions. [2022-11-02 21:07:46,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 477.0) internal successors, (2385), 5 states have internal predecessors, (2385), 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 21:07:46,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:46,152 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:46,152 INFO L175 Difference]: Start difference. First operand has 460 places, 461 transitions, 1005 flow. Second operand 5 states and 2385 transitions. [2022-11-02 21:07:46,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 507 transitions, 1348 flow [2022-11-02 21:07:46,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 507 transitions, 1336 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:07:46,165 INFO L231 Difference]: Finished difference. Result has 462 places, 468 transitions, 1055 flow [2022-11-02 21:07:46,166 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=993, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1055, PETRI_PLACES=462, PETRI_TRANSITIONS=468} [2022-11-02 21:07:46,167 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -45 predicate places. [2022-11-02 21:07:46,167 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 468 transitions, 1055 flow [2022-11-02 21:07:46,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 455.25) internal successors, (1821), 4 states have internal predecessors, (1821), 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 21:07:46,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:46,169 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:46,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:07:46,169 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:46,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1803985687, now seen corresponding path program 1 times [2022-11-02 21:07:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:46,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662607532] [2022-11-02 21:07:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:46,290 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 21:07:46,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:46,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662607532] [2022-11-02 21:07:46,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662607532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:46,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:46,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:46,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458760266] [2022-11-02 21:07:46,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:46,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:07:46,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:46,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:07:46,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:07:46,295 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 548 [2022-11-02 21:07:46,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 468 transitions, 1055 flow. Second operand has 4 states, 4 states have (on average 455.25) internal successors, (1821), 4 states have internal predecessors, (1821), 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 21:07:46,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:46,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 548 [2022-11-02 21:07:46,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:47,186 INFO L130 PetriNetUnfolder]: 334/3096 cut-off events. [2022-11-02 21:07:47,186 INFO L131 PetriNetUnfolder]: For 296/298 co-relation queries the response was YES. [2022-11-02 21:07:47,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4299 conditions, 3096 events. 334/3096 cut-off events. For 296/298 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23923 event pairs, 80 based on Foata normal form. 0/2826 useless extension candidates. Maximal degree in co-relation 4250. Up to 595 conditions per place. [2022-11-02 21:07:47,204 INFO L137 encePairwiseOnDemand]: 539/548 looper letters, 115 selfloop transitions, 9 changer transitions 0/508 dead transitions. [2022-11-02 21:07:47,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 508 transitions, 1386 flow [2022-11-02 21:07:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:07:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2385 transitions. [2022-11-02 21:07:47,211 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8704379562043796 [2022-11-02 21:07:47,211 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2385 transitions. [2022-11-02 21:07:47,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2385 transitions. [2022-11-02 21:07:47,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:47,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2385 transitions. [2022-11-02 21:07:47,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 477.0) internal successors, (2385), 5 states have internal predecessors, (2385), 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 21:07:47,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:47,223 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 548.0) internal successors, (3288), 6 states have internal predecessors, (3288), 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 21:07:47,224 INFO L175 Difference]: Start difference. First operand has 462 places, 468 transitions, 1055 flow. Second operand 5 states and 2385 transitions. [2022-11-02 21:07:47,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 508 transitions, 1386 flow [2022-11-02 21:07:47,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 508 transitions, 1386 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:07:47,233 INFO L231 Difference]: Finished difference. Result has 469 places, 471 transitions, 1101 flow [2022-11-02 21:07:47,234 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1101, PETRI_PLACES=469, PETRI_TRANSITIONS=471} [2022-11-02 21:07:47,235 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -38 predicate places. [2022-11-02 21:07:47,235 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 471 transitions, 1101 flow [2022-11-02 21:07:47,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 455.25) internal successors, (1821), 4 states have internal predecessors, (1821), 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 21:07:47,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:47,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:47,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 21:07:47,237 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1385725690, now seen corresponding path program 1 times [2022-11-02 21:07:47,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:47,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711828647] [2022-11-02 21:07:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:47,280 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 21:07:47,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:47,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711828647] [2022-11-02 21:07:47,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711828647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:47,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:47,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:47,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150393731] [2022-11-02 21:07:47,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:47,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:47,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:47,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:47,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:47,284 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 548 [2022-11-02 21:07:47,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 471 transitions, 1101 flow. Second operand has 3 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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 21:07:47,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:47,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 548 [2022-11-02 21:07:47,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:47,712 INFO L130 PetriNetUnfolder]: 112/2088 cut-off events. [2022-11-02 21:07:47,712 INFO L131 PetriNetUnfolder]: For 133/135 co-relation queries the response was YES. [2022-11-02 21:07:47,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2508 conditions, 2088 events. 112/2088 cut-off events. For 133/135 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12164 event pairs, 24 based on Foata normal form. 0/1905 useless extension candidates. Maximal degree in co-relation 2455. Up to 79 conditions per place. [2022-11-02 21:07:47,742 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 12 selfloop transitions, 2 changer transitions 0/471 dead transitions. [2022-11-02 21:07:47,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 471 transitions, 1130 flow [2022-11-02 21:07:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1548 transitions. [2022-11-02 21:07:47,746 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9416058394160584 [2022-11-02 21:07:47,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1548 transitions. [2022-11-02 21:07:47,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1548 transitions. [2022-11-02 21:07:47,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:47,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1548 transitions. [2022-11-02 21:07:47,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 516.0) internal successors, (1548), 3 states have internal predecessors, (1548), 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 21:07:47,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:47,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:47,757 INFO L175 Difference]: Start difference. First operand has 469 places, 471 transitions, 1101 flow. Second operand 3 states and 1548 transitions. [2022-11-02 21:07:47,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 471 transitions, 1130 flow [2022-11-02 21:07:47,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 471 transitions, 1130 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:07:47,767 INFO L231 Difference]: Finished difference. Result has 470 places, 470 transitions, 1103 flow [2022-11-02 21:07:47,767 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1099, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1103, PETRI_PLACES=470, PETRI_TRANSITIONS=470} [2022-11-02 21:07:47,768 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -37 predicate places. [2022-11-02 21:07:47,769 INFO L495 AbstractCegarLoop]: Abstraction has has 470 places, 470 transitions, 1103 flow [2022-11-02 21:07:47,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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 21:07:47,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:47,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:47,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 21:07:47,770 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:47,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 670956655, now seen corresponding path program 1 times [2022-11-02 21:07:47,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:47,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549687327] [2022-11-02 21:07:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:48,147 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 21:07:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549687327] [2022-11-02 21:07:48,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549687327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:48,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:48,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:48,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925698400] [2022-11-02 21:07:48,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:48,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:48,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:48,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:48,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:48,153 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 548 [2022-11-02 21:07:48,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 470 transitions, 1103 flow. Second operand has 6 states, 6 states have (on average 431.1666666666667) internal successors, (2587), 6 states have internal predecessors, (2587), 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 21:07:48,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:48,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 548 [2022-11-02 21:07:48,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:57,150 INFO L130 PetriNetUnfolder]: 16768/53795 cut-off events. [2022-11-02 21:07:57,150 INFO L131 PetriNetUnfolder]: For 4957/4957 co-relation queries the response was YES. [2022-11-02 21:07:57,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86835 conditions, 53795 events. 16768/53795 cut-off events. For 4957/4957 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 588832 event pairs, 5643 based on Foata normal form. 0/50107 useless extension candidates. Maximal degree in co-relation 86779. Up to 10660 conditions per place. [2022-11-02 21:07:57,492 INFO L137 encePairwiseOnDemand]: 506/548 looper letters, 127 selfloop transitions, 39 changer transitions 0/531 dead transitions. [2022-11-02 21:07:57,492 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 531 transitions, 1569 flow [2022-11-02 21:07:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:07:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:07:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2739 transitions. [2022-11-02 21:07:57,498 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.833029197080292 [2022-11-02 21:07:57,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2739 transitions. [2022-11-02 21:07:57,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2739 transitions. [2022-11-02 21:07:57,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:57,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2739 transitions. [2022-11-02 21:07:57,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 456.5) internal successors, (2739), 6 states have internal predecessors, (2739), 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 21:07:57,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:57,510 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 548.0) internal successors, (3836), 7 states have internal predecessors, (3836), 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 21:07:57,510 INFO L175 Difference]: Start difference. First operand has 470 places, 470 transitions, 1103 flow. Second operand 6 states and 2739 transitions. [2022-11-02 21:07:57,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 531 transitions, 1569 flow [2022-11-02 21:07:57,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 531 transitions, 1565 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:57,531 INFO L231 Difference]: Finished difference. Result has 466 places, 463 transitions, 1163 flow [2022-11-02 21:07:57,532 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1163, PETRI_PLACES=466, PETRI_TRANSITIONS=463} [2022-11-02 21:07:57,532 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -41 predicate places. [2022-11-02 21:07:57,532 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 463 transitions, 1163 flow [2022-11-02 21:07:57,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 431.1666666666667) internal successors, (2587), 6 states have internal predecessors, (2587), 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 21:07:57,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:57,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:57,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 21:07:57,534 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:57,535 INFO L85 PathProgramCache]: Analyzing trace with hash -916074567, now seen corresponding path program 1 times [2022-11-02 21:07:57,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:57,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938601006] [2022-11-02 21:07:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:57,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:57,578 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 21:07:57,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:57,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938601006] [2022-11-02 21:07:57,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938601006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:57,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:57,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:57,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149292743] [2022-11-02 21:07:57,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:57,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:57,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:57,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:57,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:57,582 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:07:57,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 463 transitions, 1163 flow. Second operand has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 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 21:07:57,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:57,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:07:57,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:58,273 INFO L130 PetriNetUnfolder]: 302/2970 cut-off events. [2022-11-02 21:07:58,274 INFO L131 PetriNetUnfolder]: For 484/488 co-relation queries the response was YES. [2022-11-02 21:07:58,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4386 conditions, 2970 events. 302/2970 cut-off events. For 484/488 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 22700 event pairs, 182 based on Foata normal form. 0/2778 useless extension candidates. Maximal degree in co-relation 4332. Up to 677 conditions per place. [2022-11-02 21:07:58,303 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 66 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2022-11-02 21:07:58,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 463 transitions, 1300 flow [2022-11-02 21:07:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1386 transitions. [2022-11-02 21:07:58,307 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.843065693430657 [2022-11-02 21:07:58,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1386 transitions. [2022-11-02 21:07:58,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1386 transitions. [2022-11-02 21:07:58,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:58,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1386 transitions. [2022-11-02 21:07:58,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 462.0) internal successors, (1386), 3 states have internal predecessors, (1386), 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 21:07:58,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:58,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:58,316 INFO L175 Difference]: Start difference. First operand has 466 places, 463 transitions, 1163 flow. Second operand 3 states and 1386 transitions. [2022-11-02 21:07:58,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 463 transitions, 1300 flow [2022-11-02 21:07:58,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 463 transitions, 1222 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:07:58,328 INFO L231 Difference]: Finished difference. Result has 462 places, 462 transitions, 1087 flow [2022-11-02 21:07:58,329 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1083, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1087, PETRI_PLACES=462, PETRI_TRANSITIONS=462} [2022-11-02 21:07:58,330 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -45 predicate places. [2022-11-02 21:07:58,330 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 462 transitions, 1087 flow [2022-11-02 21:07:58,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 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 21:07:58,331 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:58,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:58,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 21:07:58,331 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err44ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:58,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:58,332 INFO L85 PathProgramCache]: Analyzing trace with hash -324966957, now seen corresponding path program 1 times [2022-11-02 21:07:58,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:58,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693492977] [2022-11-02 21:07:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:58,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:58,376 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 21:07:58,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:58,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693492977] [2022-11-02 21:07:58,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693492977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:58,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:58,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496708590] [2022-11-02 21:07:58,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:58,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:58,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:58,380 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:07:58,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 462 transitions, 1087 flow. Second operand has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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 21:07:58,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:58,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:07:58,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:07:59,258 INFO L130 PetriNetUnfolder]: 300/2962 cut-off events. [2022-11-02 21:07:59,258 INFO L131 PetriNetUnfolder]: For 368/372 co-relation queries the response was YES. [2022-11-02 21:07:59,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4052 conditions, 2962 events. 300/2962 cut-off events. For 368/372 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 22400 event pairs, 180 based on Foata normal form. 0/2776 useless extension candidates. Maximal degree in co-relation 3998. Up to 669 conditions per place. [2022-11-02 21:07:59,285 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 65 selfloop transitions, 2 changer transitions 0/462 dead transitions. [2022-11-02 21:07:59,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 462 transitions, 1222 flow [2022-11-02 21:07:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:07:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1385 transitions. [2022-11-02 21:07:59,289 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8424574209245742 [2022-11-02 21:07:59,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1385 transitions. [2022-11-02 21:07:59,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1385 transitions. [2022-11-02 21:07:59,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:07:59,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1385 transitions. [2022-11-02 21:07:59,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 461.6666666666667) internal successors, (1385), 3 states have internal predecessors, (1385), 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 21:07:59,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:59,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:07:59,299 INFO L175 Difference]: Start difference. First operand has 462 places, 462 transitions, 1087 flow. Second operand 3 states and 1385 transitions. [2022-11-02 21:07:59,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 462 transitions, 1222 flow [2022-11-02 21:07:59,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 462 transitions, 1218 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:07:59,312 INFO L231 Difference]: Finished difference. Result has 461 places, 461 transitions, 1085 flow [2022-11-02 21:07:59,312 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1085, PETRI_PLACES=461, PETRI_TRANSITIONS=461} [2022-11-02 21:07:59,313 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -46 predicate places. [2022-11-02 21:07:59,313 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 461 transitions, 1085 flow [2022-11-02 21:07:59,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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 21:07:59,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:07:59,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:59,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 21:07:59,315 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:07:59,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:59,316 INFO L85 PathProgramCache]: Analyzing trace with hash -724393829, now seen corresponding path program 1 times [2022-11-02 21:07:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:59,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980192159] [2022-11-02 21:07:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:59,371 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 21:07:59,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:59,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980192159] [2022-11-02 21:07:59,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980192159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:59,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:59,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:07:59,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550563552] [2022-11-02 21:07:59,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:59,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:59,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:59,377 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:07:59,379 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 461 transitions, 1085 flow. Second operand has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 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 21:07:59,379 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:07:59,379 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:07:59,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:00,131 INFO L130 PetriNetUnfolder]: 298/2954 cut-off events. [2022-11-02 21:08:00,131 INFO L131 PetriNetUnfolder]: For 366/370 co-relation queries the response was YES. [2022-11-02 21:08:00,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4036 conditions, 2954 events. 298/2954 cut-off events. For 366/370 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 22561 event pairs, 178 based on Foata normal form. 0/2774 useless extension candidates. Maximal degree in co-relation 3982. Up to 661 conditions per place. [2022-11-02 21:08:00,156 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 64 selfloop transitions, 2 changer transitions 0/461 dead transitions. [2022-11-02 21:08:00,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 461 transitions, 1218 flow [2022-11-02 21:08:00,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1384 transitions. [2022-11-02 21:08:00,161 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8418491484184915 [2022-11-02 21:08:00,161 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1384 transitions. [2022-11-02 21:08:00,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1384 transitions. [2022-11-02 21:08:00,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:00,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1384 transitions. [2022-11-02 21:08:00,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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 21:08:00,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:00,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:00,166 INFO L175 Difference]: Start difference. First operand has 461 places, 461 transitions, 1085 flow. Second operand 3 states and 1384 transitions. [2022-11-02 21:08:00,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 461 transitions, 1218 flow [2022-11-02 21:08:00,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 461 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:00,176 INFO L231 Difference]: Finished difference. Result has 460 places, 460 transitions, 1083 flow [2022-11-02 21:08:00,176 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1079, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1083, PETRI_PLACES=460, PETRI_TRANSITIONS=460} [2022-11-02 21:08:00,177 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -47 predicate places. [2022-11-02 21:08:00,177 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 460 transitions, 1083 flow [2022-11-02 21:08:00,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 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 21:08:00,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:00,178 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, 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 21:08:00,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 21:08:00,178 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err52ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:08:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash 869270849, now seen corresponding path program 1 times [2022-11-02 21:08:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:00,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004198535] [2022-11-02 21:08:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:00,238 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 21:08:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:00,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004198535] [2022-11-02 21:08:00,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004198535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:00,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:00,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:00,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344712863] [2022-11-02 21:08:00,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:00,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:00,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:00,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:00,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:00,243 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:08:00,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 460 transitions, 1083 flow. Second operand has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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 21:08:00,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:00,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:08:00,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:00,974 INFO L130 PetriNetUnfolder]: 296/2946 cut-off events. [2022-11-02 21:08:00,974 INFO L131 PetriNetUnfolder]: For 364/368 co-relation queries the response was YES. [2022-11-02 21:08:00,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4020 conditions, 2946 events. 296/2946 cut-off events. For 364/368 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 22326 event pairs, 176 based on Foata normal form. 0/2772 useless extension candidates. Maximal degree in co-relation 3966. Up to 653 conditions per place. [2022-11-02 21:08:00,993 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 62 selfloop transitions, 2 changer transitions 1/460 dead transitions. [2022-11-02 21:08:00,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 460 transitions, 1214 flow [2022-11-02 21:08:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1383 transitions. [2022-11-02 21:08:00,996 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8412408759124088 [2022-11-02 21:08:00,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1383 transitions. [2022-11-02 21:08:00,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1383 transitions. [2022-11-02 21:08:00,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:00,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1383 transitions. [2022-11-02 21:08:00,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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 21:08:01,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:01,002 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:01,003 INFO L175 Difference]: Start difference. First operand has 460 places, 460 transitions, 1083 flow. Second operand 3 states and 1383 transitions. [2022-11-02 21:08:01,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 460 transitions, 1214 flow [2022-11-02 21:08:01,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 460 transitions, 1210 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:01,012 INFO L231 Difference]: Finished difference. Result has 459 places, 459 transitions, 1081 flow [2022-11-02 21:08:01,013 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1081, PETRI_PLACES=459, PETRI_TRANSITIONS=459} [2022-11-02 21:08:01,014 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -48 predicate places. [2022-11-02 21:08:01,014 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 459 transitions, 1081 flow [2022-11-02 21:08:01,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 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 21:08:01,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:01,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:01,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 21:08:01,015 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:08:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:01,016 INFO L85 PathProgramCache]: Analyzing trace with hash -700300290, now seen corresponding path program 1 times [2022-11-02 21:08:01,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:01,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648596441] [2022-11-02 21:08:01,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:01,069 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 21:08:01,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:01,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648596441] [2022-11-02 21:08:01,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648596441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:01,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:01,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:01,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423955975] [2022-11-02 21:08:01,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:01,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:01,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:01,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:01,073 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:08:01,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 459 transitions, 1081 flow. Second operand has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 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 21:08:01,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:01,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:08:01,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:01,662 INFO L130 PetriNetUnfolder]: 294/2938 cut-off events. [2022-11-02 21:08:01,662 INFO L131 PetriNetUnfolder]: For 362/366 co-relation queries the response was YES. [2022-11-02 21:08:01,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4004 conditions, 2938 events. 294/2938 cut-off events. For 362/366 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 22370 event pairs, 174 based on Foata normal form. 0/2770 useless extension candidates. Maximal degree in co-relation 3950. Up to 645 conditions per place. [2022-11-02 21:08:01,686 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 62 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2022-11-02 21:08:01,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 459 transitions, 1210 flow [2022-11-02 21:08:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1382 transitions. [2022-11-02 21:08:01,690 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8406326034063261 [2022-11-02 21:08:01,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1382 transitions. [2022-11-02 21:08:01,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1382 transitions. [2022-11-02 21:08:01,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:01,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1382 transitions. [2022-11-02 21:08:01,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 460.6666666666667) internal successors, (1382), 3 states have internal predecessors, (1382), 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 21:08:01,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:01,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:01,695 INFO L175 Difference]: Start difference. First operand has 459 places, 459 transitions, 1081 flow. Second operand 3 states and 1382 transitions. [2022-11-02 21:08:01,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 459 transitions, 1210 flow [2022-11-02 21:08:01,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 459 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:01,707 INFO L231 Difference]: Finished difference. Result has 458 places, 458 transitions, 1079 flow [2022-11-02 21:08:01,707 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1079, PETRI_PLACES=458, PETRI_TRANSITIONS=458} [2022-11-02 21:08:01,708 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -49 predicate places. [2022-11-02 21:08:01,708 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 458 transitions, 1079 flow [2022-11-02 21:08:01,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.6666666666667) internal successors, (1334), 3 states have internal predecessors, (1334), 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 21:08:01,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:01,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:01,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-02 21:08:01,709 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:08:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 996414837, now seen corresponding path program 1 times [2022-11-02 21:08:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:01,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849497678] [2022-11-02 21:08:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:01,775 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 21:08:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:01,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849497678] [2022-11-02 21:08:01,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849497678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:01,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:01,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:01,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935673990] [2022-11-02 21:08:01,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:01,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:01,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:01,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:01,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:01,784 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:08:01,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 458 transitions, 1079 flow. Second operand has 3 states, 3 states have (on average 446.6666666666667) internal successors, (1340), 3 states have internal predecessors, (1340), 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 21:08:01,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:01,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:08:01,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:02,424 INFO L130 PetriNetUnfolder]: 292/2930 cut-off events. [2022-11-02 21:08:02,425 INFO L131 PetriNetUnfolder]: For 360/364 co-relation queries the response was YES. [2022-11-02 21:08:02,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3988 conditions, 2930 events. 292/2930 cut-off events. For 360/364 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22112 event pairs, 172 based on Foata normal form. 0/2768 useless extension candidates. Maximal degree in co-relation 3934. Up to 637 conditions per place. [2022-11-02 21:08:02,439 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 61 selfloop transitions, 2 changer transitions 0/458 dead transitions. [2022-11-02 21:08:02,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 458 transitions, 1206 flow [2022-11-02 21:08:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1381 transitions. [2022-11-02 21:08:02,443 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8400243309002433 [2022-11-02 21:08:02,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1381 transitions. [2022-11-02 21:08:02,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1381 transitions. [2022-11-02 21:08:02,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:02,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1381 transitions. [2022-11-02 21:08:02,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 460.3333333333333) internal successors, (1381), 3 states have internal predecessors, (1381), 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 21:08:02,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:02,448 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:02,448 INFO L175 Difference]: Start difference. First operand has 458 places, 458 transitions, 1079 flow. Second operand 3 states and 1381 transitions. [2022-11-02 21:08:02,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 458 transitions, 1206 flow [2022-11-02 21:08:02,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 458 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:02,458 INFO L231 Difference]: Finished difference. Result has 457 places, 457 transitions, 1077 flow [2022-11-02 21:08:02,458 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1073, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1077, PETRI_PLACES=457, PETRI_TRANSITIONS=457} [2022-11-02 21:08:02,459 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -50 predicate places. [2022-11-02 21:08:02,459 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 457 transitions, 1077 flow [2022-11-02 21:08:02,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.6666666666667) internal successors, (1340), 3 states have internal predecessors, (1340), 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 21:08:02,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:02,460 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:08:02,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-02 21:08:02,460 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-02 21:08:02,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash 332687628, now seen corresponding path program 1 times [2022-11-02 21:08:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:02,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412154714] [2022-11-02 21:08:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:02,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:02,527 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 21:08:02,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:02,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412154714] [2022-11-02 21:08:02,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412154714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:02,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:02,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:02,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569505849] [2022-11-02 21:08:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:02,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:02,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:02,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:02,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:02,531 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 548 [2022-11-02 21:08:02,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 457 transitions, 1077 flow. Second operand has 3 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 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 21:08:02,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:02,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 548 [2022-11-02 21:08:02,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:03,104 INFO L130 PetriNetUnfolder]: 290/2922 cut-off events. [2022-11-02 21:08:03,104 INFO L131 PetriNetUnfolder]: For 358/362 co-relation queries the response was YES. [2022-11-02 21:08:03,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 2922 events. 290/2922 cut-off events. For 358/362 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 21959 event pairs, 170 based on Foata normal form. 0/2766 useless extension candidates. Maximal degree in co-relation 3918. Up to 629 conditions per place. [2022-11-02 21:08:03,124 INFO L137 encePairwiseOnDemand]: 545/548 looper letters, 0 selfloop transitions, 0 changer transitions 457/457 dead transitions. [2022-11-02 21:08:03,124 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 457 transitions, 1202 flow [2022-11-02 21:08:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1380 transitions. [2022-11-02 21:08:03,132 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8394160583941606 [2022-11-02 21:08:03,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1380 transitions. [2022-11-02 21:08:03,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1380 transitions. [2022-11-02 21:08:03,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:03,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1380 transitions. [2022-11-02 21:08:03,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 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 21:08:03,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:03,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 548.0) internal successors, (2192), 4 states have internal predecessors, (2192), 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 21:08:03,138 INFO L175 Difference]: Start difference. First operand has 457 places, 457 transitions, 1077 flow. Second operand 3 states and 1380 transitions. [2022-11-02 21:08:03,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 457 transitions, 1202 flow [2022-11-02 21:08:03,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 457 transitions, 1198 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:03,143 INFO L231 Difference]: Finished difference. Result has 456 places, 0 transitions, 0 flow [2022-11-02 21:08:03,144 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=548, PETRI_DIFFERENCE_MINUEND_FLOW=1071, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=456, PETRI_TRANSITIONS=0} [2022-11-02 21:08:03,144 INFO L287 CegarLoopForPetriNet]: 507 programPoint places, -51 predicate places. [2022-11-02 21:08:03,145 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 0 transitions, 0 flow [2022-11-02 21:08:03,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 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 21:08:03,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (133 of 134 remaining) [2022-11-02 21:08:03,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (132 of 134 remaining) [2022-11-02 21:08:03,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (131 of 134 remaining) [2022-11-02 21:08:03,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (130 of 134 remaining) [2022-11-02 21:08:03,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (129 of 134 remaining) [2022-11-02 21:08:03,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (128 of 134 remaining) [2022-11-02 21:08:03,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (127 of 134 remaining) [2022-11-02 21:08:03,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (126 of 134 remaining) [2022-11-02 21:08:03,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (125 of 134 remaining) [2022-11-02 21:08:03,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (124 of 134 remaining) [2022-11-02 21:08:03,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (123 of 134 remaining) [2022-11-02 21:08:03,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (122 of 134 remaining) [2022-11-02 21:08:03,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (121 of 134 remaining) [2022-11-02 21:08:03,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (120 of 134 remaining) [2022-11-02 21:08:03,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (119 of 134 remaining) [2022-11-02 21:08:03,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 134 remaining) [2022-11-02 21:08:03,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (117 of 134 remaining) [2022-11-02 21:08:03,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (116 of 134 remaining) [2022-11-02 21:08:03,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (115 of 134 remaining) [2022-11-02 21:08:03,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (114 of 134 remaining) [2022-11-02 21:08:03,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (113 of 134 remaining) [2022-11-02 21:08:03,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (112 of 134 remaining) [2022-11-02 21:08:03,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (111 of 134 remaining) [2022-11-02 21:08:03,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (110 of 134 remaining) [2022-11-02 21:08:03,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (109 of 134 remaining) [2022-11-02 21:08:03,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (108 of 134 remaining) [2022-11-02 21:08:03,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (107 of 134 remaining) [2022-11-02 21:08:03,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (106 of 134 remaining) [2022-11-02 21:08:03,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (105 of 134 remaining) [2022-11-02 21:08:03,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (104 of 134 remaining) [2022-11-02 21:08:03,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 134 remaining) [2022-11-02 21:08:03,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 134 remaining) [2022-11-02 21:08:03,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (101 of 134 remaining) [2022-11-02 21:08:03,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (100 of 134 remaining) [2022-11-02 21:08:03,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (99 of 134 remaining) [2022-11-02 21:08:03,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (98 of 134 remaining) [2022-11-02 21:08:03,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (97 of 134 remaining) [2022-11-02 21:08:03,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (96 of 134 remaining) [2022-11-02 21:08:03,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (95 of 134 remaining) [2022-11-02 21:08:03,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (94 of 134 remaining) [2022-11-02 21:08:03,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (93 of 134 remaining) [2022-11-02 21:08:03,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (92 of 134 remaining) [2022-11-02 21:08:03,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (91 of 134 remaining) [2022-11-02 21:08:03,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (90 of 134 remaining) [2022-11-02 21:08:03,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 134 remaining) [2022-11-02 21:08:03,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (88 of 134 remaining) [2022-11-02 21:08:03,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (87 of 134 remaining) [2022-11-02 21:08:03,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (86 of 134 remaining) [2022-11-02 21:08:03,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (85 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (83 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (82 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (81 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (80 of 134 remaining) [2022-11-02 21:08:03,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (79 of 134 remaining) [2022-11-02 21:08:03,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (78 of 134 remaining) [2022-11-02 21:08:03,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (77 of 134 remaining) [2022-11-02 21:08:03,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (76 of 134 remaining) [2022-11-02 21:08:03,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (75 of 134 remaining) [2022-11-02 21:08:03,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (74 of 134 remaining) [2022-11-02 21:08:03,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (73 of 134 remaining) [2022-11-02 21:08:03,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 134 remaining) [2022-11-02 21:08:03,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 134 remaining) [2022-11-02 21:08:03,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 134 remaining) [2022-11-02 21:08:03,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (68 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (67 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 134 remaining) [2022-11-02 21:08:03,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 134 remaining) [2022-11-02 21:08:03,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 134 remaining) [2022-11-02 21:08:03,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 134 remaining) [2022-11-02 21:08:03,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 134 remaining) [2022-11-02 21:08:03,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 134 remaining) [2022-11-02 21:08:03,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 134 remaining) [2022-11-02 21:08:03,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 134 remaining) [2022-11-02 21:08:03,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 134 remaining) [2022-11-02 21:08:03,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 134 remaining) [2022-11-02 21:08:03,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 134 remaining) [2022-11-02 21:08:03,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 134 remaining) [2022-11-02 21:08:03,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (47 of 134 remaining) [2022-11-02 21:08:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (46 of 134 remaining) [2022-11-02 21:08:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 134 remaining) [2022-11-02 21:08:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 134 remaining) [2022-11-02 21:08:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 134 remaining) [2022-11-02 21:08:03,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 134 remaining) [2022-11-02 21:08:03,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 134 remaining) [2022-11-02 21:08:03,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 134 remaining) [2022-11-02 21:08:03,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 134 remaining) [2022-11-02 21:08:03,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (38 of 134 remaining) [2022-11-02 21:08:03,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (35 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 134 remaining) [2022-11-02 21:08:03,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 134 remaining) [2022-11-02 21:08:03,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 134 remaining) [2022-11-02 21:08:03,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 134 remaining) [2022-11-02 21:08:03,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 134 remaining) [2022-11-02 21:08:03,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 134 remaining) [2022-11-02 21:08:03,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (26 of 134 remaining) [2022-11-02 21:08:03,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (25 of 134 remaining) [2022-11-02 21:08:03,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 134 remaining) [2022-11-02 21:08:03,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 134 remaining) [2022-11-02 21:08:03,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 134 remaining) [2022-11-02 21:08:03,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (21 of 134 remaining) [2022-11-02 21:08:03,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 134 remaining) [2022-11-02 21:08:03,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 134 remaining) [2022-11-02 21:08:03,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 134 remaining) [2022-11-02 21:08:03,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 134 remaining) [2022-11-02 21:08:03,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 134 remaining) [2022-11-02 21:08:03,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 134 remaining) [2022-11-02 21:08:03,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 134 remaining) [2022-11-02 21:08:03,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 134 remaining) [2022-11-02 21:08:03,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 134 remaining) [2022-11-02 21:08:03,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 134 remaining) [2022-11-02 21:08:03,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 134 remaining) [2022-11-02 21:08:03,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 134 remaining) [2022-11-02 21:08:03,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 134 remaining) [2022-11-02 21:08:03,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 134 remaining) [2022-11-02 21:08:03,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 134 remaining) [2022-11-02 21:08:03,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 134 remaining) [2022-11-02 21:08:03,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-02 21:08:03,182 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-02 21:08:03,191 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:08:03,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:08:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:03 BasicIcfg [2022-11-02 21:08:03,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:08:03,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:08:03,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:08:03,199 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:08:03,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:11" (3/4) ... [2022-11-02 21:08:03,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:08:03,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 21:08:03,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 21:08:03,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-02 21:08:03,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:08:03,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:08:03,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:08:03,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:08:03,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:08:03,269 INFO L158 Benchmark]: Toolchain (without parser) took 53893.40ms. Allocated memory was 117.4MB in the beginning and 11.4GB in the end (delta: 11.3GB). Free memory was 81.2MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2022-11-02 21:08:03,269 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 97.8MB in the beginning and 97.6MB in the end (delta: 177.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:03,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.07ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 88.9MB in the end (delta: -7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:08:03,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.98ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 85.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:08:03,270 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 82.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:08:03,271 INFO L158 Benchmark]: RCFGBuilder took 1091.13ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.7MB in the end (delta: 1.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-02 21:08:03,271 INFO L158 Benchmark]: TraceAbstraction took 52192.32ms. Allocated memory was 117.4MB in the beginning and 11.4GB in the end (delta: 11.3GB). Free memory was 80.2MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2022-11-02 21:08:03,271 INFO L158 Benchmark]: Witness Printer took 69.01ms. Allocated memory is still 11.4GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:08:03,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 97.8MB in the beginning and 97.6MB in the end (delta: 177.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.07ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 88.9MB in the end (delta: -7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.98ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 85.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 82.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.13ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.7MB in the end (delta: 1.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 52192.32ms. Allocated memory was 117.4MB in the beginning and 11.4GB in the end (delta: 11.3GB). Free memory was 80.2MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 69.01ms. Allocated memory is still 11.4GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 894 locations, 134 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: 52.0s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 434 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 1080 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3503 IncrementalHoareTripleChecker+Invalid, 4086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 583 mSolverCounterUnsat, 996 mSDtfsCounter, 3503 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred in iteration=17, InterpolantAutomatonStates: 93, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2431 NumberOfCodeBlocks, 2431 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2407 ConstructedInterpolants, 0 QuantifiedInterpolants, 3416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:08:03,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b5135f-45c6-4eac-b574-e876ac9aed81/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE