./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8 --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 57b20b3268fa30a07af1365aac59c96531ad2ebea6861c18a1d5dfea8339adbb --- 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-e04fb08 [2022-11-16 11:09:16,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:16,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:16,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:16,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:16,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:16,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:16,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:16,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:16,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:16,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:16,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:16,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:16,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:16,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:16,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:16,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:16,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:16,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:16,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:16,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:16,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:16,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:16,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:16,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:16,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:16,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:16,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:16,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:16,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:16,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:16,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:16,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:16,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:16,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:16,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:16,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:16,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:16,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:16,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:16,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:16,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:09:16,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:16,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:16,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:16,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:16,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:09:16,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:09:16,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:16,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:16,179 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:16,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:16,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:09:16,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:16,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:09:16,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:16,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:16,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:09:16,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:16,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:16,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:09:16,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:09:16,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:09:16,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:09:16,186 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:09:16,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:09:16,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:09:16,186 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_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b20b3268fa30a07af1365aac59c96531ad2ebea6861c18a1d5dfea8339adbb [2022-11-16 11:09:16,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:16,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:16,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:16,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:16,488 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:16,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2022-11-16 11:09:16,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/data/96b2f876f/ce8572fdd0d84f14b660ff1494683f3c/FLAGd04ce959c [2022-11-16 11:09:17,137 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:17,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2022-11-16 11:09:17,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/data/96b2f876f/ce8572fdd0d84f14b660ff1494683f3c/FLAGd04ce959c [2022-11-16 11:09:17,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/data/96b2f876f/ce8572fdd0d84f14b660ff1494683f3c [2022-11-16 11:09:17,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:17,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:17,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:17,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:17,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:17,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:17,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200550d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17, skipping insertion in model container [2022-11-16 11:09:17,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:17,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:17,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:17,880 WARN L229 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_40350088-fa65-45d7-92fc-56866fb1c5fd/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c[6501,6514] [2022-11-16 11:09:17,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:17,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:17,972 WARN L229 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_40350088-fa65-45d7-92fc-56866fb1c5fd/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c[6501,6514] [2022-11-16 11:09:17,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:17,995 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:17,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17 WrapperNode [2022-11-16 11:09:17,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:17,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:17,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:17,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:18,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,137 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 1309 [2022-11-16 11:09:18,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:18,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:18,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:18,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:18,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,247 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:18,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:18,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:18,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:18,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (1/1) ... [2022-11-16 11:09:18,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:18,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:18,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:18,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40350088-fa65-45d7-92fc-56866fb1c5fd/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:09:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:09:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:09:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:09:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:09:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:09:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:09:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:18,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:09:18,354 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:09:18,601 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:18,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:09:20,460 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:09:20,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:09:20,480 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 11:09:20,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:20 BoogieIcfgContainer [2022-11-16 11:09:20,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:09:20,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:09:20,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:09:20,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:09:20,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:09:17" (1/3) ... [2022-11-16 11:09:20,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae90bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:20, skipping insertion in model container [2022-11-16 11:09:20,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:17" (2/3) ... [2022-11-16 11:09:20,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae90bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:20, skipping insertion in model container [2022-11-16 11:09:20,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:20" (3/3) ... [2022-11-16 11:09:20,494 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2022-11-16 11:09:20,503 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:09:20,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:09:20,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 230 error locations. [2022-11-16 11:09:20,515 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:09:20,822 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:09:20,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1662 places, 1763 transitions, 3550 flow [2022-11-16 11:09:23,095 INFO L130 PetriNetUnfolder]: 111/1760 cut-off events. [2022-11-16 11:09:23,096 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:09:23,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1773 conditions, 1760 events. 111/1760 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7856 event pairs, 0 based on Foata normal form. 0/1419 useless extension candidates. Maximal degree in co-relation 1382. Up to 2 conditions per place. [2022-11-16 11:09:23,198 INFO L82 GeneralOperation]: Start removeDead. Operand has 1662 places, 1763 transitions, 3550 flow [2022-11-16 11:09:23,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1636 places, 1734 transitions, 3486 flow [2022-11-16 11:09:23,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:09:23,303 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;@4847f093, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:09:23,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 431 error locations. [2022-11-16 11:09:23,316 INFO L130 PetriNetUnfolder]: 0/40 cut-off events. [2022-11-16 11:09:23,329 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:09:23,329 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:23,330 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:23,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:23,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1047814016, now seen corresponding path program 1 times [2022-11-16 11:09:23,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:23,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511059092] [2022-11-16 11:09:23,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:23,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:23,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:23,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511059092] [2022-11-16 11:09:23,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511059092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:23,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:23,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724416015] [2022-11-16 11:09:23,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:23,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:23,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:23,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:23,858 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:23,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1734 transitions, 3486 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:23,875 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:23,875 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:23,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:27,408 INFO L130 PetriNetUnfolder]: 208/3994 cut-off events. [2022-11-16 11:09:27,409 INFO L131 PetriNetUnfolder]: For 56/58 co-relation queries the response was YES. [2022-11-16 11:09:27,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4143 conditions, 3994 events. 208/3994 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 27912 event pairs, 39 based on Foata normal form. 178/3377 useless extension candidates. Maximal degree in co-relation 3698. Up to 90 conditions per place. [2022-11-16 11:09:27,771 INFO L137 encePairwiseOnDemand]: 1724/1763 looper letters, 15 selfloop transitions, 2 changer transitions 6/1697 dead transitions. [2022-11-16 11:09:27,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1697 transitions, 3446 flow [2022-11-16 11:09:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5175 transitions. [2022-11-16 11:09:27,819 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9784458309699376 [2022-11-16 11:09:27,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5175 transitions. [2022-11-16 11:09:27,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5175 transitions. [2022-11-16 11:09:27,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:27,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5175 transitions. [2022-11-16 11:09:27,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1725.0) internal successors, (5175), 3 states have internal predecessors, (5175), 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) [2022-11-16 11:09:27,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:27,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:27,884 INFO L175 Difference]: Start difference. First operand has 1636 places, 1734 transitions, 3486 flow. Second operand 3 states and 5175 transitions. [2022-11-16 11:09:27,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1697 transitions, 3446 flow [2022-11-16 11:09:27,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3434 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:09:27,946 INFO L231 Difference]: Finished difference. Result has 1631 places, 1691 transitions, 3392 flow [2022-11-16 11:09:27,951 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3392, PETRI_PLACES=1631, PETRI_TRANSITIONS=1691} [2022-11-16 11:09:27,956 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -5 predicate places. [2022-11-16 11:09:27,956 INFO L495 AbstractCegarLoop]: Abstraction has has 1631 places, 1691 transitions, 3392 flow [2022-11-16 11:09:27,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:27,960 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:27,961 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:27,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:09:27,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:27,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:27,964 INFO L85 PathProgramCache]: Analyzing trace with hash 778803614, now seen corresponding path program 1 times [2022-11-16 11:09:27,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:27,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396290789] [2022-11-16 11:09:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:27,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:28,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:28,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396290789] [2022-11-16 11:09:28,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396290789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:28,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:28,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:28,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537206162] [2022-11-16 11:09:28,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:28,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:28,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:28,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:28,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:28,083 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:28,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1691 transitions, 3392 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:28,093 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:28,093 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:28,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:31,320 INFO L130 PetriNetUnfolder]: 208/4031 cut-off events. [2022-11-16 11:09:31,321 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-16 11:09:31,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4148 conditions, 4031 events. 208/4031 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 29574 event pairs, 39 based on Foata normal form. 0/3243 useless extension candidates. Maximal degree in co-relation 4099. Up to 90 conditions per place. [2022-11-16 11:09:31,655 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 15 selfloop transitions, 2 changer transitions 0/1690 dead transitions. [2022-11-16 11:09:31,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1626 places, 1690 transitions, 3424 flow [2022-11-16 11:09:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5139 transitions. [2022-11-16 11:09:31,669 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9716392512762337 [2022-11-16 11:09:31,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5139 transitions. [2022-11-16 11:09:31,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5139 transitions. [2022-11-16 11:09:31,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:31,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5139 transitions. [2022-11-16 11:09:31,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1713.0) internal successors, (5139), 3 states have internal predecessors, (5139), 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) [2022-11-16 11:09:31,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:31,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:31,711 INFO L175 Difference]: Start difference. First operand has 1631 places, 1691 transitions, 3392 flow. Second operand 3 states and 5139 transitions. [2022-11-16 11:09:31,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1626 places, 1690 transitions, 3424 flow [2022-11-16 11:09:31,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1624 places, 1690 transitions, 3420 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:31,752 INFO L231 Difference]: Finished difference. Result has 1624 places, 1690 transitions, 3390 flow [2022-11-16 11:09:31,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3386, PETRI_DIFFERENCE_MINUEND_PLACES=1622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3390, PETRI_PLACES=1624, PETRI_TRANSITIONS=1690} [2022-11-16 11:09:31,756 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -12 predicate places. [2022-11-16 11:09:31,756 INFO L495 AbstractCegarLoop]: Abstraction has has 1624 places, 1690 transitions, 3390 flow [2022-11-16 11:09:31,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:31,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:31,760 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:31,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:09:31,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1303487019, now seen corresponding path program 1 times [2022-11-16 11:09:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:31,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340485874] [2022-11-16 11:09:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:31,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:31,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340485874] [2022-11-16 11:09:31,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340485874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:31,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:31,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:31,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439739017] [2022-11-16 11:09:31,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:31,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:31,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:31,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:31,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:31,989 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:32,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1624 places, 1690 transitions, 3390 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:32,007 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:32,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:32,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:34,441 INFO L130 PetriNetUnfolder]: 144/2904 cut-off events. [2022-11-16 11:09:34,441 INFO L131 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2022-11-16 11:09:34,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2982 conditions, 2904 events. 144/2904 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 17970 event pairs, 21 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 2926. Up to 63 conditions per place. [2022-11-16 11:09:34,676 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 15 selfloop transitions, 2 changer transitions 0/1689 dead transitions. [2022-11-16 11:09:34,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1625 places, 1689 transitions, 3422 flow [2022-11-16 11:09:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5139 transitions. [2022-11-16 11:09:34,693 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9716392512762337 [2022-11-16 11:09:34,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5139 transitions. [2022-11-16 11:09:34,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5139 transitions. [2022-11-16 11:09:34,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:34,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5139 transitions. [2022-11-16 11:09:34,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1713.0) internal successors, (5139), 3 states have internal predecessors, (5139), 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) [2022-11-16 11:09:34,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:34,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:34,731 INFO L175 Difference]: Start difference. First operand has 1624 places, 1690 transitions, 3390 flow. Second operand 3 states and 5139 transitions. [2022-11-16 11:09:34,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1625 places, 1689 transitions, 3422 flow [2022-11-16 11:09:34,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1623 places, 1689 transitions, 3418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:34,771 INFO L231 Difference]: Finished difference. Result has 1623 places, 1689 transitions, 3388 flow [2022-11-16 11:09:34,774 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3384, PETRI_DIFFERENCE_MINUEND_PLACES=1621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1687, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3388, PETRI_PLACES=1623, PETRI_TRANSITIONS=1689} [2022-11-16 11:09:34,776 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -13 predicate places. [2022-11-16 11:09:34,777 INFO L495 AbstractCegarLoop]: Abstraction has has 1623 places, 1689 transitions, 3388 flow [2022-11-16 11:09:34,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:34,779 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:34,780 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:09:34,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2017649280, now seen corresponding path program 1 times [2022-11-16 11:09:34,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:34,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655570462] [2022-11-16 11:09:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:34,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:34,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655570462] [2022-11-16 11:09:34,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655570462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:34,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:34,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:34,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178288896] [2022-11-16 11:09:34,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:34,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:34,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:34,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:34,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:34,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:34,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1623 places, 1689 transitions, 3388 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:34,913 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:34,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:34,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:36,977 INFO L130 PetriNetUnfolder]: 144/2931 cut-off events. [2022-11-16 11:09:36,977 INFO L131 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2022-11-16 11:09:37,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3009 conditions, 2931 events. 144/2931 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 18816 event pairs, 21 based on Foata normal form. 0/2369 useless extension candidates. Maximal degree in co-relation 2946. Up to 63 conditions per place. [2022-11-16 11:09:37,137 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 15 selfloop transitions, 2 changer transitions 0/1688 dead transitions. [2022-11-16 11:09:37,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1624 places, 1688 transitions, 3420 flow [2022-11-16 11:09:37,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5139 transitions. [2022-11-16 11:09:37,147 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9716392512762337 [2022-11-16 11:09:37,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5139 transitions. [2022-11-16 11:09:37,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5139 transitions. [2022-11-16 11:09:37,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:37,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5139 transitions. [2022-11-16 11:09:37,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1713.0) internal successors, (5139), 3 states have internal predecessors, (5139), 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) [2022-11-16 11:09:37,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:37,177 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:37,178 INFO L175 Difference]: Start difference. First operand has 1623 places, 1689 transitions, 3388 flow. Second operand 3 states and 5139 transitions. [2022-11-16 11:09:37,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1624 places, 1688 transitions, 3420 flow [2022-11-16 11:09:37,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1622 places, 1688 transitions, 3416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:37,206 INFO L231 Difference]: Finished difference. Result has 1622 places, 1688 transitions, 3386 flow [2022-11-16 11:09:37,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3382, PETRI_DIFFERENCE_MINUEND_PLACES=1620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1686, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3386, PETRI_PLACES=1622, PETRI_TRANSITIONS=1688} [2022-11-16 11:09:37,209 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -14 predicate places. [2022-11-16 11:09:37,210 INFO L495 AbstractCegarLoop]: Abstraction has has 1622 places, 1688 transitions, 3386 flow [2022-11-16 11:09:37,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:37,212 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:37,212 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:37,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:09:37,213 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:37,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:37,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1812316581, now seen corresponding path program 1 times [2022-11-16 11:09:37,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:37,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519737145] [2022-11-16 11:09:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:37,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:37,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519737145] [2022-11-16 11:09:37,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519737145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:37,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:37,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886967353] [2022-11-16 11:09:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:37,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:37,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:37,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:37,274 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:37,280 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1622 places, 1688 transitions, 3386 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:37,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:37,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:37,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:39,190 INFO L130 PetriNetUnfolder]: 139/2626 cut-off events. [2022-11-16 11:09:39,190 INFO L131 PetriNetUnfolder]: For 26/28 co-relation queries the response was YES. [2022-11-16 11:09:39,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2728 conditions, 2626 events. 139/2626 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 15985 event pairs, 39 based on Foata normal form. 0/2143 useless extension candidates. Maximal degree in co-relation 2658. Up to 90 conditions per place. [2022-11-16 11:09:39,340 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 15 selfloop transitions, 2 changer transitions 0/1687 dead transitions. [2022-11-16 11:09:39,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1623 places, 1687 transitions, 3418 flow [2022-11-16 11:09:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5139 transitions. [2022-11-16 11:09:39,351 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9716392512762337 [2022-11-16 11:09:39,351 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5139 transitions. [2022-11-16 11:09:39,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5139 transitions. [2022-11-16 11:09:39,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:39,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5139 transitions. [2022-11-16 11:09:39,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1713.0) internal successors, (5139), 3 states have internal predecessors, (5139), 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) [2022-11-16 11:09:39,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:39,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:39,378 INFO L175 Difference]: Start difference. First operand has 1622 places, 1688 transitions, 3386 flow. Second operand 3 states and 5139 transitions. [2022-11-16 11:09:39,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1623 places, 1687 transitions, 3418 flow [2022-11-16 11:09:39,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1621 places, 1687 transitions, 3414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:39,407 INFO L231 Difference]: Finished difference. Result has 1621 places, 1687 transitions, 3384 flow [2022-11-16 11:09:39,410 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3380, PETRI_DIFFERENCE_MINUEND_PLACES=1619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1685, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3384, PETRI_PLACES=1621, PETRI_TRANSITIONS=1687} [2022-11-16 11:09:39,411 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -15 predicate places. [2022-11-16 11:09:39,411 INFO L495 AbstractCegarLoop]: Abstraction has has 1621 places, 1687 transitions, 3384 flow [2022-11-16 11:09:39,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:39,413 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:39,413 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:39,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:09:39,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:39,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:39,414 INFO L85 PathProgramCache]: Analyzing trace with hash -539627599, now seen corresponding path program 1 times [2022-11-16 11:09:39,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:39,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814500111] [2022-11-16 11:09:39,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:39,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:39,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:39,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814500111] [2022-11-16 11:09:39,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814500111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:39,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:39,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:39,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186204028] [2022-11-16 11:09:39,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:39,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:39,488 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1707 out of 1763 [2022-11-16 11:09:39,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1621 places, 1687 transitions, 3384 flow. Second operand has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:39,495 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:39,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1707 of 1763 [2022-11-16 11:09:39,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:41,226 INFO L130 PetriNetUnfolder]: 139/2669 cut-off events. [2022-11-16 11:09:41,226 INFO L131 PetriNetUnfolder]: For 26/28 co-relation queries the response was YES. [2022-11-16 11:09:41,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2771 conditions, 2669 events. 139/2669 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 16871 event pairs, 39 based on Foata normal form. 0/2191 useless extension candidates. Maximal degree in co-relation 2694. Up to 90 conditions per place. [2022-11-16 11:09:41,366 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 15 selfloop transitions, 2 changer transitions 0/1686 dead transitions. [2022-11-16 11:09:41,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1622 places, 1686 transitions, 3416 flow [2022-11-16 11:09:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5139 transitions. [2022-11-16 11:09:41,377 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9716392512762337 [2022-11-16 11:09:41,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5139 transitions. [2022-11-16 11:09:41,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5139 transitions. [2022-11-16 11:09:41,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:41,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5139 transitions. [2022-11-16 11:09:41,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1713.0) internal successors, (5139), 3 states have internal predecessors, (5139), 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) [2022-11-16 11:09:41,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:41,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:41,403 INFO L175 Difference]: Start difference. First operand has 1621 places, 1687 transitions, 3384 flow. Second operand 3 states and 5139 transitions. [2022-11-16 11:09:41,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1622 places, 1686 transitions, 3416 flow [2022-11-16 11:09:41,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1620 places, 1686 transitions, 3412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:41,430 INFO L231 Difference]: Finished difference. Result has 1620 places, 1686 transitions, 3382 flow [2022-11-16 11:09:41,433 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3378, PETRI_DIFFERENCE_MINUEND_PLACES=1618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3382, PETRI_PLACES=1620, PETRI_TRANSITIONS=1686} [2022-11-16 11:09:41,433 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -16 predicate places. [2022-11-16 11:09:41,434 INFO L495 AbstractCegarLoop]: Abstraction has has 1620 places, 1686 transitions, 3382 flow [2022-11-16 11:09:41,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1708.3333333333333) internal successors, (5125), 3 states have internal predecessors, (5125), 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) [2022-11-16 11:09:41,436 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:41,436 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:41,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:09:41,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:41,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1084249305, now seen corresponding path program 1 times [2022-11-16 11:09:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:41,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673901051] [2022-11-16 11:09:41,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:41,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:41,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:41,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673901051] [2022-11-16 11:09:41,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673901051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:41,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:41,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:41,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609914947] [2022-11-16 11:09:41,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:41,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:41,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:41,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:41,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:41,669 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1683 out of 1763 [2022-11-16 11:09:41,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1620 places, 1686 transitions, 3382 flow. Second operand has 3 states, 3 states have (on average 1684.3333333333333) internal successors, (5053), 3 states have internal predecessors, (5053), 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) [2022-11-16 11:09:41,677 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:41,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1683 of 1763 [2022-11-16 11:09:41,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:45,625 INFO L130 PetriNetUnfolder]: 348/5997 cut-off events. [2022-11-16 11:09:45,625 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:09:45,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6214 conditions, 5997 events. 348/5997 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 49333 event pairs, 54 based on Foata normal form. 0/4735 useless extension candidates. Maximal degree in co-relation 6130. Up to 154 conditions per place. [2022-11-16 11:09:45,938 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 39 selfloop transitions, 2 changer transitions 0/1685 dead transitions. [2022-11-16 11:09:45,938 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1621 places, 1685 transitions, 3462 flow [2022-11-16 11:09:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5091 transitions. [2022-11-16 11:09:45,948 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9625638116846285 [2022-11-16 11:09:45,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5091 transitions. [2022-11-16 11:09:45,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5091 transitions. [2022-11-16 11:09:45,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:45,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5091 transitions. [2022-11-16 11:09:45,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1697.0) internal successors, (5091), 3 states have internal predecessors, (5091), 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) [2022-11-16 11:09:45,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:45,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:45,974 INFO L175 Difference]: Start difference. First operand has 1620 places, 1686 transitions, 3382 flow. Second operand 3 states and 5091 transitions. [2022-11-16 11:09:45,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1621 places, 1685 transitions, 3462 flow [2022-11-16 11:09:45,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1619 places, 1685 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:46,003 INFO L231 Difference]: Finished difference. Result has 1619 places, 1685 transitions, 3380 flow [2022-11-16 11:09:46,006 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3376, PETRI_DIFFERENCE_MINUEND_PLACES=1617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3380, PETRI_PLACES=1619, PETRI_TRANSITIONS=1685} [2022-11-16 11:09:46,007 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -17 predicate places. [2022-11-16 11:09:46,007 INFO L495 AbstractCegarLoop]: Abstraction has has 1619 places, 1685 transitions, 3380 flow [2022-11-16 11:09:46,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1684.3333333333333) internal successors, (5053), 3 states have internal predecessors, (5053), 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) [2022-11-16 11:09:46,009 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:46,009 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:46,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:09:46,010 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:46,010 INFO L85 PathProgramCache]: Analyzing trace with hash 529616395, now seen corresponding path program 1 times [2022-11-16 11:09:46,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:46,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624601645] [2022-11-16 11:09:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:46,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:46,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:46,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624601645] [2022-11-16 11:09:46,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624601645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:46,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:46,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:46,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062369259] [2022-11-16 11:09:46,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:46,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:46,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:46,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:46,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:46,112 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1668 out of 1763 [2022-11-16 11:09:46,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1619 places, 1685 transitions, 3380 flow. Second operand has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:09:46,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:46,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1668 of 1763 [2022-11-16 11:09:46,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:48,843 INFO L130 PetriNetUnfolder]: 241/3335 cut-off events. [2022-11-16 11:09:48,843 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-16 11:09:48,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3670 conditions, 3335 events. 241/3335 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 23143 event pairs, 90 based on Foata normal form. 0/2669 useless extension candidates. Maximal degree in co-relation 3579. Up to 236 conditions per place. [2022-11-16 11:09:49,005 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 54 selfloop transitions, 2 changer transitions 0/1684 dead transitions. [2022-11-16 11:09:49,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1620 places, 1684 transitions, 3490 flow [2022-11-16 11:09:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5061 transitions. [2022-11-16 11:09:49,015 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9568916619398752 [2022-11-16 11:09:49,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5061 transitions. [2022-11-16 11:09:49,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5061 transitions. [2022-11-16 11:09:49,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:49,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5061 transitions. [2022-11-16 11:09:49,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1687.0) internal successors, (5061), 3 states have internal predecessors, (5061), 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) [2022-11-16 11:09:49,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:49,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:49,041 INFO L175 Difference]: Start difference. First operand has 1619 places, 1685 transitions, 3380 flow. Second operand 3 states and 5061 transitions. [2022-11-16 11:09:49,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1620 places, 1684 transitions, 3490 flow [2022-11-16 11:09:49,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1618 places, 1684 transitions, 3486 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:49,070 INFO L231 Difference]: Finished difference. Result has 1618 places, 1684 transitions, 3378 flow [2022-11-16 11:09:49,073 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3374, PETRI_DIFFERENCE_MINUEND_PLACES=1616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3378, PETRI_PLACES=1618, PETRI_TRANSITIONS=1684} [2022-11-16 11:09:49,074 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -18 predicate places. [2022-11-16 11:09:49,074 INFO L495 AbstractCegarLoop]: Abstraction has has 1618 places, 1684 transitions, 3378 flow [2022-11-16 11:09:49,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:09:49,076 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:49,077 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:49,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:09:49,077 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:49,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash -751215524, now seen corresponding path program 1 times [2022-11-16 11:09:49,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:49,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296300114] [2022-11-16 11:09:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:49,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296300114] [2022-11-16 11:09:49,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296300114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:49,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:49,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:49,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509120088] [2022-11-16 11:09:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:49,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:49,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:49,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:49,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:49,131 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1680 out of 1763 [2022-11-16 11:09:49,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1618 places, 1684 transitions, 3378 flow. Second operand has 3 states, 3 states have (on average 1681.3333333333333) internal successors, (5044), 3 states have internal predecessors, (5044), 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) [2022-11-16 11:09:49,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:49,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1680 of 1763 [2022-11-16 11:09:49,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:52,531 INFO L130 PetriNetUnfolder]: 256/4239 cut-off events. [2022-11-16 11:09:52,532 INFO L131 PetriNetUnfolder]: For 30/35 co-relation queries the response was YES. [2022-11-16 11:09:52,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4432 conditions, 4239 events. 256/4239 cut-off events. For 30/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 31322 event pairs, 54 based on Foata normal form. 0/3362 useless extension candidates. Maximal degree in co-relation 4334. Up to 157 conditions per place. [2022-11-16 11:09:52,853 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 42 selfloop transitions, 2 changer transitions 0/1683 dead transitions. [2022-11-16 11:09:52,853 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1619 places, 1683 transitions, 3464 flow [2022-11-16 11:09:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5085 transitions. [2022-11-16 11:09:52,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9614293817356778 [2022-11-16 11:09:52,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5085 transitions. [2022-11-16 11:09:52,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5085 transitions. [2022-11-16 11:09:52,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:52,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5085 transitions. [2022-11-16 11:09:52,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1695.0) internal successors, (5085), 3 states have internal predecessors, (5085), 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) [2022-11-16 11:09:52,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:52,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:52,890 INFO L175 Difference]: Start difference. First operand has 1618 places, 1684 transitions, 3378 flow. Second operand 3 states and 5085 transitions. [2022-11-16 11:09:52,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1619 places, 1683 transitions, 3464 flow [2022-11-16 11:09:52,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1617 places, 1683 transitions, 3460 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:52,929 INFO L231 Difference]: Finished difference. Result has 1617 places, 1683 transitions, 3376 flow [2022-11-16 11:09:52,931 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3372, PETRI_DIFFERENCE_MINUEND_PLACES=1615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3376, PETRI_PLACES=1617, PETRI_TRANSITIONS=1683} [2022-11-16 11:09:52,932 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -19 predicate places. [2022-11-16 11:09:52,933 INFO L495 AbstractCegarLoop]: Abstraction has has 1617 places, 1683 transitions, 3376 flow [2022-11-16 11:09:52,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1681.3333333333333) internal successors, (5044), 3 states have internal predecessors, (5044), 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) [2022-11-16 11:09:52,934 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:52,935 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:52,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:09:52,935 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash -455381269, now seen corresponding path program 1 times [2022-11-16 11:09:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:52,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37704356] [2022-11-16 11:09:52,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:52,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:52,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:52,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37704356] [2022-11-16 11:09:52,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37704356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:52,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:52,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703028108] [2022-11-16 11:09:52,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:52,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:52,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:53,002 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1668 out of 1763 [2022-11-16 11:09:53,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1617 places, 1683 transitions, 3376 flow. Second operand has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:09:53,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:53,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1668 of 1763 [2022-11-16 11:09:53,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:55,716 INFO L130 PetriNetUnfolder]: 218/2894 cut-off events. [2022-11-16 11:09:55,716 INFO L131 PetriNetUnfolder]: For 49/57 co-relation queries the response was YES. [2022-11-16 11:09:55,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 2894 events. 218/2894 cut-off events. For 49/57 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20555 event pairs, 90 based on Foata normal form. 0/2327 useless extension candidates. Maximal degree in co-relation 3079. Up to 236 conditions per place. [2022-11-16 11:09:55,887 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 54 selfloop transitions, 2 changer transitions 0/1682 dead transitions. [2022-11-16 11:09:55,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1618 places, 1682 transitions, 3486 flow [2022-11-16 11:09:55,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5061 transitions. [2022-11-16 11:09:55,900 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9568916619398752 [2022-11-16 11:09:55,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5061 transitions. [2022-11-16 11:09:55,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5061 transitions. [2022-11-16 11:09:55,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:55,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5061 transitions. [2022-11-16 11:09:55,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1687.0) internal successors, (5061), 3 states have internal predecessors, (5061), 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) [2022-11-16 11:09:55,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:55,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:55,918 INFO L175 Difference]: Start difference. First operand has 1617 places, 1683 transitions, 3376 flow. Second operand 3 states and 5061 transitions. [2022-11-16 11:09:55,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1618 places, 1682 transitions, 3486 flow [2022-11-16 11:09:55,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1616 places, 1682 transitions, 3482 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:55,947 INFO L231 Difference]: Finished difference. Result has 1616 places, 1682 transitions, 3374 flow [2022-11-16 11:09:55,950 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3370, PETRI_DIFFERENCE_MINUEND_PLACES=1614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1680, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3374, PETRI_PLACES=1616, PETRI_TRANSITIONS=1682} [2022-11-16 11:09:55,951 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -20 predicate places. [2022-11-16 11:09:55,951 INFO L495 AbstractCegarLoop]: Abstraction has has 1616 places, 1682 transitions, 3374 flow [2022-11-16 11:09:55,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:09:55,952 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:55,952 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:55,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:09:55,953 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:55,953 INFO L85 PathProgramCache]: Analyzing trace with hash -443252084, now seen corresponding path program 1 times [2022-11-16 11:09:55,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:55,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175962328] [2022-11-16 11:09:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:55,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:56,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:56,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175962328] [2022-11-16 11:09:56,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175962328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:56,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:56,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:56,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319570914] [2022-11-16 11:09:56,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:56,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:56,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:56,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:56,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:56,007 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1680 out of 1763 [2022-11-16 11:09:56,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1616 places, 1682 transitions, 3374 flow. Second operand has 3 states, 3 states have (on average 1681.3333333333333) internal successors, (5044), 3 states have internal predecessors, (5044), 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) [2022-11-16 11:09:56,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:56,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1680 of 1763 [2022-11-16 11:09:56,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:57,756 INFO L130 PetriNetUnfolder]: 164/2465 cut-off events. [2022-11-16 11:09:57,757 INFO L131 PetriNetUnfolder]: For 57/59 co-relation queries the response was YES. [2022-11-16 11:09:57,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2630 conditions, 2465 events. 164/2465 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 14433 event pairs, 54 based on Foata normal form. 0/1982 useless extension candidates. Maximal degree in co-relation 2518. Up to 156 conditions per place. [2022-11-16 11:09:57,877 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 41 selfloop transitions, 2 changer transitions 0/1681 dead transitions. [2022-11-16 11:09:57,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1617 places, 1681 transitions, 3458 flow [2022-11-16 11:09:57,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5084 transitions. [2022-11-16 11:09:57,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9612403100775194 [2022-11-16 11:09:57,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5084 transitions. [2022-11-16 11:09:57,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5084 transitions. [2022-11-16 11:09:57,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:57,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5084 transitions. [2022-11-16 11:09:57,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1694.6666666666667) internal successors, (5084), 3 states have internal predecessors, (5084), 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) [2022-11-16 11:09:57,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:57,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:09:57,908 INFO L175 Difference]: Start difference. First operand has 1616 places, 1682 transitions, 3374 flow. Second operand 3 states and 5084 transitions. [2022-11-16 11:09:57,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1617 places, 1681 transitions, 3458 flow [2022-11-16 11:09:57,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1615 places, 1681 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:09:57,935 INFO L231 Difference]: Finished difference. Result has 1615 places, 1681 transitions, 3372 flow [2022-11-16 11:09:57,938 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3368, PETRI_DIFFERENCE_MINUEND_PLACES=1613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3372, PETRI_PLACES=1615, PETRI_TRANSITIONS=1681} [2022-11-16 11:09:57,938 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -21 predicate places. [2022-11-16 11:09:57,939 INFO L495 AbstractCegarLoop]: Abstraction has has 1615 places, 1681 transitions, 3372 flow [2022-11-16 11:09:57,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1681.3333333333333) internal successors, (5044), 3 states have internal predecessors, (5044), 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) [2022-11-16 11:09:57,940 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:57,940 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:57,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:09:57,940 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:09:57,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash 605180619, now seen corresponding path program 1 times [2022-11-16 11:09:57,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:57,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752946674] [2022-11-16 11:09:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:57,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:57,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752946674] [2022-11-16 11:09:57,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752946674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:57,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:57,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:57,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221221196] [2022-11-16 11:09:57,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:57,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:57,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:57,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:57,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1668 out of 1763 [2022-11-16 11:09:58,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1615 places, 1681 transitions, 3372 flow. Second operand has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:09:58,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:58,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1668 of 1763 [2022-11-16 11:09:58,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:59,924 INFO L130 PetriNetUnfolder]: 195/2433 cut-off events. [2022-11-16 11:09:59,924 INFO L131 PetriNetUnfolder]: For 94/96 co-relation queries the response was YES. [2022-11-16 11:10:00,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 2433 events. 195/2433 cut-off events. For 94/96 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 16918 event pairs, 90 based on Foata normal form. 0/1967 useless extension candidates. Maximal degree in co-relation 2559. Up to 236 conditions per place. [2022-11-16 11:10:00,089 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 54 selfloop transitions, 2 changer transitions 0/1680 dead transitions. [2022-11-16 11:10:00,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1616 places, 1680 transitions, 3482 flow [2022-11-16 11:10:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:10:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5061 transitions. [2022-11-16 11:10:00,101 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9568916619398752 [2022-11-16 11:10:00,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5061 transitions. [2022-11-16 11:10:00,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5061 transitions. [2022-11-16 11:10:00,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:10:00,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5061 transitions. [2022-11-16 11:10:00,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1687.0) internal successors, (5061), 3 states have internal predecessors, (5061), 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) [2022-11-16 11:10:00,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:10:00,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:10:00,122 INFO L175 Difference]: Start difference. First operand has 1615 places, 1681 transitions, 3372 flow. Second operand 3 states and 5061 transitions. [2022-11-16 11:10:00,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1616 places, 1680 transitions, 3482 flow [2022-11-16 11:10:00,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1614 places, 1680 transitions, 3478 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:10:00,158 INFO L231 Difference]: Finished difference. Result has 1614 places, 1680 transitions, 3370 flow [2022-11-16 11:10:00,160 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3366, PETRI_DIFFERENCE_MINUEND_PLACES=1612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3370, PETRI_PLACES=1614, PETRI_TRANSITIONS=1680} [2022-11-16 11:10:00,161 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -22 predicate places. [2022-11-16 11:10:00,161 INFO L495 AbstractCegarLoop]: Abstraction has has 1614 places, 1680 transitions, 3370 flow [2022-11-16 11:10:00,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1669.3333333333333) internal successors, (5008), 3 states have internal predecessors, (5008), 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) [2022-11-16 11:10:00,163 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:10:00,163 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:00,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:10:00,164 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:10:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:00,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1433839445, now seen corresponding path program 1 times [2022-11-16 11:10:00,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:00,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740608815] [2022-11-16 11:10:00,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:00,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:00,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740608815] [2022-11-16 11:10:00,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740608815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:00,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:00,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:10:00,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579035634] [2022-11-16 11:10:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:00,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:00,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:00,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:00,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1689 out of 1763 [2022-11-16 11:10:00,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1614 places, 1680 transitions, 3370 flow. Second operand has 3 states, 3 states have (on average 1690.3333333333333) internal successors, (5071), 3 states have internal predecessors, (5071), 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) [2022-11-16 11:10:00,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:10:00,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1689 of 1763 [2022-11-16 11:10:00,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:10:07,713 INFO L130 PetriNetUnfolder]: 1081/12140 cut-off events. [2022-11-16 11:10:07,713 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 11:10:08,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13179 conditions, 12140 events. 1081/12140 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 132490 event pairs, 480 based on Foata normal form. 0/9565 useless extension candidates. Maximal degree in co-relation 13053. Up to 850 conditions per place. [2022-11-16 11:10:09,024 INFO L137 encePairwiseOnDemand]: 1760/1763 looper letters, 33 selfloop transitions, 2 changer transitions 0/1679 dead transitions. [2022-11-16 11:10:09,024 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1615 places, 1679 transitions, 3438 flow [2022-11-16 11:10:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:10:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5103 transitions. [2022-11-16 11:10:09,033 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9648326715825298 [2022-11-16 11:10:09,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5103 transitions. [2022-11-16 11:10:09,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5103 transitions. [2022-11-16 11:10:09,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:10:09,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5103 transitions. [2022-11-16 11:10:09,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1701.0) internal successors, (5103), 3 states have internal predecessors, (5103), 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) [2022-11-16 11:10:09,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:10:09,051 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1763.0) internal successors, (7052), 4 states have internal predecessors, (7052), 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) [2022-11-16 11:10:09,051 INFO L175 Difference]: Start difference. First operand has 1614 places, 1680 transitions, 3370 flow. Second operand 3 states and 5103 transitions. [2022-11-16 11:10:09,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1615 places, 1679 transitions, 3438 flow [2022-11-16 11:10:09,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1613 places, 1679 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:10:09,083 INFO L231 Difference]: Finished difference. Result has 1613 places, 1679 transitions, 3368 flow [2022-11-16 11:10:09,086 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1763, PETRI_DIFFERENCE_MINUEND_FLOW=3364, PETRI_DIFFERENCE_MINUEND_PLACES=1611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3368, PETRI_PLACES=1613, PETRI_TRANSITIONS=1679} [2022-11-16 11:10:09,087 INFO L288 CegarLoopForPetriNet]: 1636 programPoint places, -23 predicate places. [2022-11-16 11:10:09,087 INFO L495 AbstractCegarLoop]: Abstraction has has 1613 places, 1679 transitions, 3368 flow [2022-11-16 11:10:09,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1690.3333333333333) internal successors, (5071), 3 states have internal predecessors, (5071), 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) [2022-11-16 11:10:09,089 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:10:09,089 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:09,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:10:09,089 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2022-11-16 11:10:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash -449231747, now seen corresponding path program 1 times [2022-11-16 11:10:09,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:09,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223298244] [2022-11-16 11:10:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:09,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:09,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:09,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223298244] [2022-11-16 11:10:09,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223298244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:09,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:09,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:10:09,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368652984] [2022-11-16 11:10:09,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:09,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:09,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:09,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:09,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:09,154 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1689 out of 1763 [2022-11-16 11:10:09,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1613 places, 1679 transitions, 3368 flow. Second operand has 3 states, 3 states have (on average 1690.3333333333333) internal successors, (5071), 3 states have internal predecessors, (5071), 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) [2022-11-16 11:10:09,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:10:09,160 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1689 of 1763 [2022-11-16 11:10:09,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand