./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2cb2ea6991951b6a9c5c1df0de2ac5ff84f75971959d591fa5f258025f94929 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:08:08,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:08:08,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:08:08,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:08:08,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:08:08,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:08:08,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:08:08,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:08:08,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:08:08,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:08:08,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:08:08,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:08:08,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:08:08,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:08:08,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:08:08,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:08:08,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:08:08,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:08:08,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:08:08,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:08:08,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:08:08,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:08:08,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:08:08,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:08:08,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:08:08,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:08:08,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:08:08,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:08:08,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:08:08,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:08:08,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:08:08,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:08:08,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:08:08,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:08:08,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:08:08,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:08:08,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:08:08,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:08:08,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:08:08,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:08:08,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:08:08,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:08:08,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:08:08,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:08:08,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:08:08,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:08:08,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:08:08,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:08:08,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:08:08,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:08:08,697 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:08:08,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:08:08,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:08:08,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:08:08,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:08:08,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:08:08,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:08:08,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:08:08,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:08:08,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:08:08,700 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:08:08,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:08:08,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:08:08,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:08:08,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:08:08,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:08:08,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:08:08,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:08:08,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:08,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:08:08,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:08:08,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:08:08,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:08:08,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:08:08,704 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:08:08,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:08:08,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:08:08,705 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_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb2ea6991951b6a9c5c1df0de2ac5ff84f75971959d591fa5f258025f94929 [2022-11-18 21:08:09,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:08:09,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:08:09,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:08:09,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:08:09,088 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:08:09,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-18 21:08:09,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/data/5bdeaf2c6/cfa6723c94b24521828394e77dad34e4/FLAG0b0305a09 [2022-11-18 21:08:09,792 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:08:09,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-18 21:08:09,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/data/5bdeaf2c6/cfa6723c94b24521828394e77dad34e4/FLAG0b0305a09 [2022-11-18 21:08:10,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/data/5bdeaf2c6/cfa6723c94b24521828394e77dad34e4 [2022-11-18 21:08:10,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:08:10,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:08:10,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:10,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:08:10,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:08:10,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3963edf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10, skipping insertion in model container [2022-11-18 21:08:10,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:08:10,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:08:10,398 WARN L234 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_b7ef0602-524b-4ea9-b994-8967f7729213/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-18 21:08:10,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:10,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:08:10,448 WARN L234 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_b7ef0602-524b-4ea9-b994-8967f7729213/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-18 21:08:10,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:08:10,466 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:08:10,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10 WrapperNode [2022-11-18 21:08:10,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:08:10,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:10,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:08:10,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:08:10,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,581 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 562 [2022-11-18 21:08:10,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:08:10,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:08:10,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:08:10,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:08:10,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:08:10,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:08:10,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:08:10,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:08:10,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (1/1) ... [2022-11-18 21:08:10,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:08:10,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:08:10,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:08:10,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:08:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:08:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 21:08:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 21:08:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 21:08:10,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 21:08:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 21:08:10,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 21:08:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:08:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:08:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:08:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 21:08:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 21:08:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:08:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:08:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:08:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:08:10,829 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 21:08:11,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:08:11,014 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:08:12,283 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:08:13,690 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:08:13,691 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:08:13,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:13 BoogieIcfgContainer [2022-11-18 21:08:13,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:08:13,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:08:13,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:08:13,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:08:13,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:08:10" (1/3) ... [2022-11-18 21:08:13,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21710db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:13, skipping insertion in model container [2022-11-18 21:08:13,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:10" (2/3) ... [2022-11-18 21:08:13,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21710db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:08:13, skipping insertion in model container [2022-11-18 21:08:13,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:13" (3/3) ... [2022-11-18 21:08:13,713 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-11-18 21:08:13,725 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:08:13,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:08:13,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2022-11-18 21:08:13,738 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:08:14,015 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 21:08:14,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 284 transitions, 592 flow [2022-11-18 21:08:14,269 INFO L130 PetriNetUnfolder]: 3/281 cut-off events. [2022-11-18 21:08:14,270 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 21:08:14,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 281 events. 3/281 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 387 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2022-11-18 21:08:14,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 284 transitions, 592 flow [2022-11-18 21:08:14,297 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 267 places, 258 transitions, 534 flow [2022-11-18 21:08:14,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:08:14,324 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;@4d5e694c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:08:14,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2022-11-18 21:08:14,333 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-18 21:08:14,334 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:08:14,334 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:14,335 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:14,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:14,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:14,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2000877255, now seen corresponding path program 1 times [2022-11-18 21:08:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:14,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740940044] [2022-11-18 21:08:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:14,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:14,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:14,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740940044] [2022-11-18 21:08:14,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740940044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:14,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:14,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:14,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038427838] [2022-11-18 21:08:14,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:14,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:14,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:14,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:14,704 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:14,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 258 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:14,718 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:14,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:14,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:14,976 INFO L130 PetriNetUnfolder]: 15/253 cut-off events. [2022-11-18 21:08:14,976 INFO L131 PetriNetUnfolder]: For 28/35 co-relation queries the response was YES. [2022-11-18 21:08:14,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 253 events. 15/253 cut-off events. For 28/35 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 1/227 useless extension candidates. Maximal degree in co-relation 173. Up to 40 conditions per place. [2022-11-18 21:08:14,981 INFO L137 encePairwiseOnDemand]: 226/284 looper letters, 12 selfloop transitions, 2 changer transitions 1/202 dead transitions. [2022-11-18 21:08:14,981 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 202 transitions, 450 flow [2022-11-18 21:08:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2022-11-18 21:08:15,011 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8286384976525821 [2022-11-18 21:08:15,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 706 transitions. [2022-11-18 21:08:15,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 706 transitions. [2022-11-18 21:08:15,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:15,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 706 transitions. [2022-11-18 21:08:15,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,042 INFO L175 Difference]: Start difference. First operand has 267 places, 258 transitions, 534 flow. Second operand 3 states and 706 transitions. [2022-11-18 21:08:15,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 202 transitions, 450 flow [2022-11-18 21:08:15,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 202 transitions, 438 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 21:08:15,054 INFO L231 Difference]: Finished difference. Result has 208 places, 201 transitions, 412 flow [2022-11-18 21:08:15,108 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=208, PETRI_TRANSITIONS=201} [2022-11-18 21:08:15,114 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -59 predicate places. [2022-11-18 21:08:15,115 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 201 transitions, 412 flow [2022-11-18 21:08:15,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,116 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:15,116 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:15,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:08:15,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:15,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash -80908753, now seen corresponding path program 1 times [2022-11-18 21:08:15,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:15,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900144743] [2022-11-18 21:08:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:15,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:15,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:15,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900144743] [2022-11-18 21:08:15,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900144743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:15,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:15,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:15,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164846510] [2022-11-18 21:08:15,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:15,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:15,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:15,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:15,213 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:15,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 201 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:15,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:15,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:15,362 INFO L130 PetriNetUnfolder]: 15/251 cut-off events. [2022-11-18 21:08:15,363 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:15,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 251 events. 15/251 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 232 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 261. Up to 40 conditions per place. [2022-11-18 21:08:15,365 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2022-11-18 21:08:15,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 200 transitions, 438 flow [2022-11-18 21:08:15,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:15,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:15,369 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:15,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:15,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,377 INFO L175 Difference]: Start difference. First operand has 208 places, 201 transitions, 412 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:15,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 200 transitions, 438 flow [2022-11-18 21:08:15,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 200 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:15,400 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 410 flow [2022-11-18 21:08:15,400 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2022-11-18 21:08:15,401 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -61 predicate places. [2022-11-18 21:08:15,402 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 410 flow [2022-11-18 21:08:15,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,404 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:15,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:15,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:08:15,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1224047081, now seen corresponding path program 1 times [2022-11-18 21:08:15,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:15,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255293846] [2022-11-18 21:08:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:15,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:15,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255293846] [2022-11-18 21:08:15,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255293846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:15,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:15,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:15,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51558923] [2022-11-18 21:08:15,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:15,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:15,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:15,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:15,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:15,490 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:15,491 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,492 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:15,492 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:15,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:15,645 INFO L130 PetriNetUnfolder]: 15/250 cut-off events. [2022-11-18 21:08:15,645 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:15,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 250 events. 15/250 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 231 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 253. Up to 40 conditions per place. [2022-11-18 21:08:15,647 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2022-11-18 21:08:15,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 199 transitions, 436 flow [2022-11-18 21:08:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:15,651 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:15,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:15,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,697 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,697 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 410 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:15,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 199 transitions, 436 flow [2022-11-18 21:08:15,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 199 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:15,704 INFO L231 Difference]: Finished difference. Result has 205 places, 199 transitions, 408 flow [2022-11-18 21:08:15,705 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=205, PETRI_TRANSITIONS=199} [2022-11-18 21:08:15,708 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -62 predicate places. [2022-11-18 21:08:15,708 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 199 transitions, 408 flow [2022-11-18 21:08:15,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,709 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:15,710 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] [2022-11-18 21:08:15,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:08:15,710 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:15,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:15,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1684184752, now seen corresponding path program 1 times [2022-11-18 21:08:15,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:15,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862391926] [2022-11-18 21:08:15,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:15,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:15,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862391926] [2022-11-18 21:08:15,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862391926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:15,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:15,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:15,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990410864] [2022-11-18 21:08:15,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:15,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:15,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:15,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:15,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:15,796 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:15,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 199 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,797 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:15,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:15,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:15,950 INFO L130 PetriNetUnfolder]: 15/249 cut-off events. [2022-11-18 21:08:15,950 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:15,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 249 events. 15/249 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 245. Up to 40 conditions per place. [2022-11-18 21:08:15,952 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2022-11-18 21:08:15,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 434 flow [2022-11-18 21:08:15,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:15,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:15,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:15,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:15,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,964 INFO L175 Difference]: Start difference. First operand has 205 places, 199 transitions, 408 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:15,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 434 flow [2022-11-18 21:08:15,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 198 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:15,970 INFO L231 Difference]: Finished difference. Result has 204 places, 198 transitions, 406 flow [2022-11-18 21:08:15,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=204, PETRI_TRANSITIONS=198} [2022-11-18 21:08:15,971 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -63 predicate places. [2022-11-18 21:08:15,972 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 198 transitions, 406 flow [2022-11-18 21:08:15,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:15,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:15,973 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:15,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:08:15,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:15,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:15,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2138797244, now seen corresponding path program 1 times [2022-11-18 21:08:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:15,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674377864] [2022-11-18 21:08:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:16,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:16,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674377864] [2022-11-18 21:08:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674377864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:16,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:16,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:16,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3882717] [2022-11-18 21:08:16,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:16,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:16,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:16,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:16,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:16,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:16,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:16,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:16,245 INFO L130 PetriNetUnfolder]: 15/248 cut-off events. [2022-11-18 21:08:16,246 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:16,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 248 events. 15/248 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 231 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 237. Up to 40 conditions per place. [2022-11-18 21:08:16,248 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2022-11-18 21:08:16,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 197 transitions, 432 flow [2022-11-18 21:08:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:16,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:16,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:16,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,258 INFO L175 Difference]: Start difference. First operand has 204 places, 198 transitions, 406 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:16,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 197 transitions, 432 flow [2022-11-18 21:08:16,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 197 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:16,264 INFO L231 Difference]: Finished difference. Result has 203 places, 197 transitions, 404 flow [2022-11-18 21:08:16,265 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=203, PETRI_TRANSITIONS=197} [2022-11-18 21:08:16,266 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -64 predicate places. [2022-11-18 21:08:16,266 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 197 transitions, 404 flow [2022-11-18 21:08:16,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,267 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:16,267 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] [2022-11-18 21:08:16,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:08:16,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:16,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:16,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1386100855, now seen corresponding path program 1 times [2022-11-18 21:08:16,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:16,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331632663] [2022-11-18 21:08:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:16,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:16,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:16,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331632663] [2022-11-18 21:08:16,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331632663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:16,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:16,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:16,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814431348] [2022-11-18 21:08:16,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:16,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:16,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:16,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:16,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:16,416 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:16,417 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,417 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:16,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:16,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:16,566 INFO L130 PetriNetUnfolder]: 15/247 cut-off events. [2022-11-18 21:08:16,566 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:16,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 247 events. 15/247 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 229. Up to 40 conditions per place. [2022-11-18 21:08:16,571 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2022-11-18 21:08:16,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 196 transitions, 430 flow [2022-11-18 21:08:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:16,574 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:16,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:16,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,582 INFO L175 Difference]: Start difference. First operand has 203 places, 197 transitions, 404 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:16,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 196 transitions, 430 flow [2022-11-18 21:08:16,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 196 transitions, 426 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:16,588 INFO L231 Difference]: Finished difference. Result has 202 places, 196 transitions, 402 flow [2022-11-18 21:08:16,589 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=202, PETRI_TRANSITIONS=196} [2022-11-18 21:08:16,593 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -65 predicate places. [2022-11-18 21:08:16,593 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 196 transitions, 402 flow [2022-11-18 21:08:16,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,594 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:16,594 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] [2022-11-18 21:08:16,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:08:16,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:16,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:16,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1199801009, now seen corresponding path program 1 times [2022-11-18 21:08:16,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:16,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151536670] [2022-11-18 21:08:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:16,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:16,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151536670] [2022-11-18 21:08:16,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151536670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:16,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:16,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:16,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244450746] [2022-11-18 21:08:16,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:16,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:16,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:16,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:16,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:16,708 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:16,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:16,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:16,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:16,844 INFO L130 PetriNetUnfolder]: 15/246 cut-off events. [2022-11-18 21:08:16,844 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:16,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 246 events. 15/246 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 228 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 221. Up to 40 conditions per place. [2022-11-18 21:08:16,846 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2022-11-18 21:08:16,846 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 195 transitions, 428 flow [2022-11-18 21:08:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:16,849 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:16,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:16,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:16,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,857 INFO L175 Difference]: Start difference. First operand has 202 places, 196 transitions, 402 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:16,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 195 transitions, 428 flow [2022-11-18 21:08:16,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 195 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:16,862 INFO L231 Difference]: Finished difference. Result has 201 places, 195 transitions, 400 flow [2022-11-18 21:08:16,863 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=201, PETRI_TRANSITIONS=195} [2022-11-18 21:08:16,864 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -66 predicate places. [2022-11-18 21:08:16,864 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 195 transitions, 400 flow [2022-11-18 21:08:16,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,865 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:16,866 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] [2022-11-18 21:08:16,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:08:16,866 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:16,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:16,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1425146740, now seen corresponding path program 1 times [2022-11-18 21:08:16,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:16,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185686751] [2022-11-18 21:08:16,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:16,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:16,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:16,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185686751] [2022-11-18 21:08:16,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185686751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:16,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:16,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:16,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474869905] [2022-11-18 21:08:16,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:16,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:16,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:16,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:16,926 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:16,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:16,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:16,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:16,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:17,077 INFO L130 PetriNetUnfolder]: 15/245 cut-off events. [2022-11-18 21:08:17,077 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:17,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 245 events. 15/245 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 213. Up to 40 conditions per place. [2022-11-18 21:08:17,079 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2022-11-18 21:08:17,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 194 transitions, 426 flow [2022-11-18 21:08:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:17,083 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:17,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:17,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,091 INFO L175 Difference]: Start difference. First operand has 201 places, 195 transitions, 400 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:17,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 194 transitions, 426 flow [2022-11-18 21:08:17,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 194 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:17,096 INFO L231 Difference]: Finished difference. Result has 200 places, 194 transitions, 398 flow [2022-11-18 21:08:17,097 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=200, PETRI_TRANSITIONS=194} [2022-11-18 21:08:17,101 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -67 predicate places. [2022-11-18 21:08:17,101 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 194 transitions, 398 flow [2022-11-18 21:08:17,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,104 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:17,104 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] [2022-11-18 21:08:17,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:08:17,105 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1923739974, now seen corresponding path program 1 times [2022-11-18 21:08:17,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:17,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476904973] [2022-11-18 21:08:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:17,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:17,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476904973] [2022-11-18 21:08:17,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476904973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:17,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:17,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:17,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339458277] [2022-11-18 21:08:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:17,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:17,216 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:17,217 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,217 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:17,217 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:17,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:17,358 INFO L130 PetriNetUnfolder]: 15/244 cut-off events. [2022-11-18 21:08:17,359 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:17,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 244 events. 15/244 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 205. Up to 40 conditions per place. [2022-11-18 21:08:17,361 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-18 21:08:17,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 193 transitions, 424 flow [2022-11-18 21:08:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:17,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:17,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:17,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,371 INFO L175 Difference]: Start difference. First operand has 200 places, 194 transitions, 398 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:17,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 193 transitions, 424 flow [2022-11-18 21:08:17,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:17,376 INFO L231 Difference]: Finished difference. Result has 199 places, 193 transitions, 396 flow [2022-11-18 21:08:17,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=199, PETRI_TRANSITIONS=193} [2022-11-18 21:08:17,378 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -68 predicate places. [2022-11-18 21:08:17,378 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 193 transitions, 396 flow [2022-11-18 21:08:17,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:17,379 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] [2022-11-18 21:08:17,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:08:17,380 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:17,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1348796832, now seen corresponding path program 1 times [2022-11-18 21:08:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:17,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620318840] [2022-11-18 21:08:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:17,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:17,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620318840] [2022-11-18 21:08:17,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620318840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:17,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:17,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:17,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381962638] [2022-11-18 21:08:17,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:17,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:17,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:17,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:17,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:17,451 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:17,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,453 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:17,453 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:17,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:17,605 INFO L130 PetriNetUnfolder]: 15/243 cut-off events. [2022-11-18 21:08:17,605 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:17,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 243 events. 15/243 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 197. Up to 40 conditions per place. [2022-11-18 21:08:17,607 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-18 21:08:17,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 192 transitions, 422 flow [2022-11-18 21:08:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:17,611 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:17,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:17,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,619 INFO L175 Difference]: Start difference. First operand has 199 places, 193 transitions, 396 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:17,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 192 transitions, 422 flow [2022-11-18 21:08:17,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 192 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:17,625 INFO L231 Difference]: Finished difference. Result has 198 places, 192 transitions, 394 flow [2022-11-18 21:08:17,626 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=198, PETRI_TRANSITIONS=192} [2022-11-18 21:08:17,627 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -69 predicate places. [2022-11-18 21:08:17,627 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 192 transitions, 394 flow [2022-11-18 21:08:17,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,628 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:17,628 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] [2022-11-18 21:08:17,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:08:17,629 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:17,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1491938445, now seen corresponding path program 1 times [2022-11-18 21:08:17,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:17,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448934215] [2022-11-18 21:08:17,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:17,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:17,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448934215] [2022-11-18 21:08:17,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448934215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:17,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:17,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:17,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924550094] [2022-11-18 21:08:17,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:17,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:17,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:17,710 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:17,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 192 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:17,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:17,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:17,869 INFO L130 PetriNetUnfolder]: 15/242 cut-off events. [2022-11-18 21:08:17,870 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:17,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 242 events. 15/242 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 228 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 189. Up to 40 conditions per place. [2022-11-18 21:08:17,872 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-18 21:08:17,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 191 transitions, 420 flow [2022-11-18 21:08:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:17,876 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:17,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:17,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:17,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,883 INFO L175 Difference]: Start difference. First operand has 198 places, 192 transitions, 394 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:17,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 191 transitions, 420 flow [2022-11-18 21:08:17,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 191 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:17,890 INFO L231 Difference]: Finished difference. Result has 197 places, 191 transitions, 392 flow [2022-11-18 21:08:17,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=197, PETRI_TRANSITIONS=191} [2022-11-18 21:08:17,891 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -70 predicate places. [2022-11-18 21:08:17,892 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 191 transitions, 392 flow [2022-11-18 21:08:17,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,893 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:17,893 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] [2022-11-18 21:08:17,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:08:17,894 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:17,895 INFO L85 PathProgramCache]: Analyzing trace with hash 446367273, now seen corresponding path program 1 times [2022-11-18 21:08:17,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:17,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6483998] [2022-11-18 21:08:17,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:17,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:17,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:17,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6483998] [2022-11-18 21:08:17,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6483998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:17,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:17,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724196295] [2022-11-18 21:08:17,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:17,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:17,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:17,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:17,966 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:17,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:17,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:17,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:17,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:18,115 INFO L130 PetriNetUnfolder]: 15/241 cut-off events. [2022-11-18 21:08:18,116 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:18,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 241 events. 15/241 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 226 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 181. Up to 40 conditions per place. [2022-11-18 21:08:18,118 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2022-11-18 21:08:18,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 190 transitions, 418 flow [2022-11-18 21:08:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:18,121 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:18,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:18,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:18,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:18,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:18,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:18,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:18,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:18,127 INFO L175 Difference]: Start difference. First operand has 197 places, 191 transitions, 392 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:18,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 190 transitions, 418 flow [2022-11-18 21:08:18,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 190 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:18,133 INFO L231 Difference]: Finished difference. Result has 196 places, 190 transitions, 390 flow [2022-11-18 21:08:18,133 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=196, PETRI_TRANSITIONS=190} [2022-11-18 21:08:18,134 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -71 predicate places. [2022-11-18 21:08:18,134 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 190 transitions, 390 flow [2022-11-18 21:08:18,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:18,135 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:18,136 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:18,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:08:18,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:18,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1499433076, now seen corresponding path program 1 times [2022-11-18 21:08:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:18,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330294771] [2022-11-18 21:08:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:18,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:18,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330294771] [2022-11-18 21:08:18,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330294771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:18,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:18,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:08:18,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212756469] [2022-11-18 21:08:18,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:18,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:08:18,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:08:18,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:08:18,849 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 284 [2022-11-18 21:08:18,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 190 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:18,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:18,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 284 [2022-11-18 21:08:18,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:19,397 INFO L130 PetriNetUnfolder]: 117/422 cut-off events. [2022-11-18 21:08:19,397 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:08:19,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 422 events. 117/422 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 807 event pairs, 22 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 538. Up to 118 conditions per place. [2022-11-18 21:08:19,400 INFO L137 encePairwiseOnDemand]: 279/284 looper letters, 38 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2022-11-18 21:08:19,401 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 201 transitions, 496 flow [2022-11-18 21:08:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:08:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:08:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1207 transitions. [2022-11-18 21:08:19,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2022-11-18 21:08:19,405 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1207 transitions. [2022-11-18 21:08:19,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1207 transitions. [2022-11-18 21:08:19,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:19,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1207 transitions. [2022-11-18 21:08:19,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.16666666666666) internal successors, (1207), 6 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:19,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:19,415 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:19,415 INFO L175 Difference]: Start difference. First operand has 196 places, 190 transitions, 390 flow. Second operand 6 states and 1207 transitions. [2022-11-18 21:08:19,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 201 transitions, 496 flow [2022-11-18 21:08:19,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 201 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:08:19,421 INFO L231 Difference]: Finished difference. Result has 198 places, 189 transitions, 392 flow [2022-11-18 21:08:19,422 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=189} [2022-11-18 21:08:19,423 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -69 predicate places. [2022-11-18 21:08:19,423 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 189 transitions, 392 flow [2022-11-18 21:08:19,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.0) internal successors, (1176), 6 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:19,425 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:19,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:19,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:08:19,426 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash 162873092, now seen corresponding path program 1 times [2022-11-18 21:08:19,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:19,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938942554] [2022-11-18 21:08:19,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:19,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:20,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:20,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938942554] [2022-11-18 21:08:20,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938942554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:20,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:20,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:08:20,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871183661] [2022-11-18 21:08:20,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:20,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:08:20,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:20,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:08:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:08:20,381 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 284 [2022-11-18 21:08:20,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 189 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 197.16666666666666) internal successors, (1183), 6 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:20,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:20,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 284 [2022-11-18 21:08:20,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:20,918 INFO L130 PetriNetUnfolder]: 106/405 cut-off events. [2022-11-18 21:08:20,919 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-18 21:08:20,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 405 events. 106/405 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 724 event pairs, 79 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 220. Up to 146 conditions per place. [2022-11-18 21:08:20,922 INFO L137 encePairwiseOnDemand]: 279/284 looper letters, 33 selfloop transitions, 4 changer transitions 0/196 dead transitions. [2022-11-18 21:08:20,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 196 transitions, 480 flow [2022-11-18 21:08:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:08:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:08:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2022-11-18 21:08:20,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7053990610328639 [2022-11-18 21:08:20,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1202 transitions. [2022-11-18 21:08:20,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1202 transitions. [2022-11-18 21:08:20,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:20,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1202 transitions. [2022-11-18 21:08:20,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:20,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:20,941 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:20,942 INFO L175 Difference]: Start difference. First operand has 198 places, 189 transitions, 392 flow. Second operand 6 states and 1202 transitions. [2022-11-18 21:08:20,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 196 transitions, 480 flow [2022-11-18 21:08:20,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 196 transitions, 473 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:08:20,950 INFO L231 Difference]: Finished difference. Result has 198 places, 188 transitions, 391 flow [2022-11-18 21:08:20,951 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=198, PETRI_TRANSITIONS=188} [2022-11-18 21:08:20,952 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -69 predicate places. [2022-11-18 21:08:20,952 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 188 transitions, 391 flow [2022-11-18 21:08:20,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.16666666666666) internal successors, (1183), 6 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:20,953 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:20,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:20,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:08:20,954 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:20,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2136490392, now seen corresponding path program 1 times [2022-11-18 21:08:20,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:20,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475771454] [2022-11-18 21:08:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:21,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:21,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475771454] [2022-11-18 21:08:21,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475771454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:21,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:21,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:08:21,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108956183] [2022-11-18 21:08:21,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:21,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:08:21,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:21,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:08:21,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:08:21,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 284 [2022-11-18 21:08:21,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 188 transitions, 391 flow. Second operand has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:21,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:21,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 284 [2022-11-18 21:08:21,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:22,417 INFO L130 PetriNetUnfolder]: 105/403 cut-off events. [2022-11-18 21:08:22,418 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 21:08:22,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 403 events. 105/403 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 720 event pairs, 100 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 473. Up to 189 conditions per place. [2022-11-18 21:08:22,420 INFO L137 encePairwiseOnDemand]: 279/284 looper letters, 28 selfloop transitions, 4 changer transitions 0/191 dead transitions. [2022-11-18 21:08:22,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 191 transitions, 461 flow [2022-11-18 21:08:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:08:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:08:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1197 transitions. [2022-11-18 21:08:22,425 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7024647887323944 [2022-11-18 21:08:22,425 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1197 transitions. [2022-11-18 21:08:22,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1197 transitions. [2022-11-18 21:08:22,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:22,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1197 transitions. [2022-11-18 21:08:22,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,436 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,436 INFO L175 Difference]: Start difference. First operand has 198 places, 188 transitions, 391 flow. Second operand 6 states and 1197 transitions. [2022-11-18 21:08:22,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 191 transitions, 461 flow [2022-11-18 21:08:22,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 191 transitions, 454 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:08:22,442 INFO L231 Difference]: Finished difference. Result has 198 places, 187 transitions, 390 flow [2022-11-18 21:08:22,442 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=390, PETRI_PLACES=198, PETRI_TRANSITIONS=187} [2022-11-18 21:08:22,443 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -69 predicate places. [2022-11-18 21:08:22,443 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 187 transitions, 390 flow [2022-11-18 21:08:22,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.33333333333334) internal successors, (1190), 6 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:22,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:22,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:08:22,446 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:22,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:22,447 INFO L85 PathProgramCache]: Analyzing trace with hash -127567467, now seen corresponding path program 1 times [2022-11-18 21:08:22,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:22,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454483055] [2022-11-18 21:08:22,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:22,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:22,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454483055] [2022-11-18 21:08:22,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454483055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:22,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:22,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:22,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874074022] [2022-11-18 21:08:22,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:22,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:22,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:22,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:22,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:22,594 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 284 [2022-11-18 21:08:22,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 187 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:22,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 284 [2022-11-18 21:08:22,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:22,723 INFO L130 PetriNetUnfolder]: 15/237 cut-off events. [2022-11-18 21:08:22,723 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:22,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 237 events. 15/237 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 220 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 253. Up to 37 conditions per place. [2022-11-18 21:08:22,725 INFO L137 encePairwiseOnDemand]: 282/284 looper letters, 10 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2022-11-18 21:08:22,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 186 transitions, 410 flow [2022-11-18 21:08:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2022-11-18 21:08:22,728 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7711267605633803 [2022-11-18 21:08:22,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2022-11-18 21:08:22,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2022-11-18 21:08:22,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:22,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2022-11-18 21:08:22,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,746 INFO L175 Difference]: Start difference. First operand has 198 places, 187 transitions, 390 flow. Second operand 3 states and 657 transitions. [2022-11-18 21:08:22,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 186 transitions, 410 flow [2022-11-18 21:08:22,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 186 transitions, 403 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:08:22,751 INFO L231 Difference]: Finished difference. Result has 195 places, 186 transitions, 383 flow [2022-11-18 21:08:22,752 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=383, PETRI_PLACES=195, PETRI_TRANSITIONS=186} [2022-11-18 21:08:22,752 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -72 predicate places. [2022-11-18 21:08:22,753 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 186 transitions, 383 flow [2022-11-18 21:08:22,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,754 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:22,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:22,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 21:08:22,756 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash 967419353, now seen corresponding path program 1 times [2022-11-18 21:08:22,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:22,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318749730] [2022-11-18 21:08:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:22,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:22,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:22,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318749730] [2022-11-18 21:08:22,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318749730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:22,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:22,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483931098] [2022-11-18 21:08:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:22,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:22,929 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:22,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 186 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:22,931 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:22,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:22,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:23,049 INFO L130 PetriNetUnfolder]: 15/235 cut-off events. [2022-11-18 21:08:23,050 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:23,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 235 events. 15/235 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 216 event pairs, 15 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 262. Up to 37 conditions per place. [2022-11-18 21:08:23,051 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 12 selfloop transitions, 1 changer transitions 0/184 dead transitions. [2022-11-18 21:08:23,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 184 transitions, 405 flow [2022-11-18 21:08:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2022-11-18 21:08:23,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7640845070422535 [2022-11-18 21:08:23,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2022-11-18 21:08:23,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2022-11-18 21:08:23,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:23,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2022-11-18 21:08:23,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,060 INFO L175 Difference]: Start difference. First operand has 195 places, 186 transitions, 383 flow. Second operand 3 states and 651 transitions. [2022-11-18 21:08:23,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 184 transitions, 405 flow [2022-11-18 21:08:23,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 184 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 21:08:23,065 INFO L231 Difference]: Finished difference. Result has 194 places, 184 transitions, 380 flow [2022-11-18 21:08:23,066 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=194, PETRI_TRANSITIONS=184} [2022-11-18 21:08:23,066 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -73 predicate places. [2022-11-18 21:08:23,067 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 184 transitions, 380 flow [2022-11-18 21:08:23,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,067 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:08:23,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:23,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 21:08:23,068 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2022-11-18 21:08:23,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:23,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1977122492, now seen corresponding path program 1 times [2022-11-18 21:08:23,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:23,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816592496] [2022-11-18 21:08:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:23,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:08:23,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:23,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816592496] [2022-11-18 21:08:23,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816592496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:23,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:23,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:08:23,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500130037] [2022-11-18 21:08:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:23,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:08:23,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:08:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:08:23,218 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 284 [2022-11-18 21:08:23,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 184 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:08:23,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 284 [2022-11-18 21:08:23,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:08:23,340 INFO L130 PetriNetUnfolder]: 15/233 cut-off events. [2022-11-18 21:08:23,340 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 21:08:23,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 233 events. 15/233 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 214 event pairs, 15 based on Foata normal form. 1/226 useless extension candidates. Maximal degree in co-relation 271. Up to 37 conditions per place. [2022-11-18 21:08:23,342 INFO L137 encePairwiseOnDemand]: 281/284 looper letters, 0 selfloop transitions, 0 changer transitions 182/182 dead transitions. [2022-11-18 21:08:23,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 182 transitions, 400 flow [2022-11-18 21:08:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:08:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:08:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2022-11-18 21:08:23,345 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7629107981220657 [2022-11-18 21:08:23,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 650 transitions. [2022-11-18 21:08:23,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 650 transitions. [2022-11-18 21:08:23,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:08:23,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 650 transitions. [2022-11-18 21:08:23,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,350 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,351 INFO L175 Difference]: Start difference. First operand has 194 places, 184 transitions, 380 flow. Second operand 3 states and 650 transitions. [2022-11-18 21:08:23,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 182 transitions, 400 flow [2022-11-18 21:08:23,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 182 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 21:08:23,354 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2022-11-18 21:08:23,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2022-11-18 21:08:23,355 INFO L288 CegarLoopForPetriNet]: 267 programPoint places, -74 predicate places. [2022-11-18 21:08:23,356 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2022-11-18 21:08:23,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:08:23,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (130 of 131 remaining) [2022-11-18 21:08:23,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (129 of 131 remaining) [2022-11-18 21:08:23,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (128 of 131 remaining) [2022-11-18 21:08:23,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (127 of 131 remaining) [2022-11-18 21:08:23,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (126 of 131 remaining) [2022-11-18 21:08:23,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (125 of 131 remaining) [2022-11-18 21:08:23,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (124 of 131 remaining) [2022-11-18 21:08:23,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (123 of 131 remaining) [2022-11-18 21:08:23,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (122 of 131 remaining) [2022-11-18 21:08:23,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (121 of 131 remaining) [2022-11-18 21:08:23,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 131 remaining) [2022-11-18 21:08:23,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 131 remaining) [2022-11-18 21:08:23,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (118 of 131 remaining) [2022-11-18 21:08:23,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (117 of 131 remaining) [2022-11-18 21:08:23,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (116 of 131 remaining) [2022-11-18 21:08:23,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 131 remaining) [2022-11-18 21:08:23,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 131 remaining) [2022-11-18 21:08:23,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (113 of 131 remaining) [2022-11-18 21:08:23,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (112 of 131 remaining) [2022-11-18 21:08:23,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (111 of 131 remaining) [2022-11-18 21:08:23,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (110 of 131 remaining) [2022-11-18 21:08:23,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (109 of 131 remaining) [2022-11-18 21:08:23,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (108 of 131 remaining) [2022-11-18 21:08:23,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (107 of 131 remaining) [2022-11-18 21:08:23,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (106 of 131 remaining) [2022-11-18 21:08:23,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (105 of 131 remaining) [2022-11-18 21:08:23,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (104 of 131 remaining) [2022-11-18 21:08:23,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (103 of 131 remaining) [2022-11-18 21:08:23,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (102 of 131 remaining) [2022-11-18 21:08:23,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (101 of 131 remaining) [2022-11-18 21:08:23,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (100 of 131 remaining) [2022-11-18 21:08:23,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (99 of 131 remaining) [2022-11-18 21:08:23,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (98 of 131 remaining) [2022-11-18 21:08:23,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (97 of 131 remaining) [2022-11-18 21:08:23,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (96 of 131 remaining) [2022-11-18 21:08:23,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (95 of 131 remaining) [2022-11-18 21:08:23,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (94 of 131 remaining) [2022-11-18 21:08:23,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (93 of 131 remaining) [2022-11-18 21:08:23,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (92 of 131 remaining) [2022-11-18 21:08:23,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (91 of 131 remaining) [2022-11-18 21:08:23,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (90 of 131 remaining) [2022-11-18 21:08:23,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (89 of 131 remaining) [2022-11-18 21:08:23,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (88 of 131 remaining) [2022-11-18 21:08:23,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (87 of 131 remaining) [2022-11-18 21:08:23,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (86 of 131 remaining) [2022-11-18 21:08:23,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (85 of 131 remaining) [2022-11-18 21:08:23,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (84 of 131 remaining) [2022-11-18 21:08:23,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (83 of 131 remaining) [2022-11-18 21:08:23,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (82 of 131 remaining) [2022-11-18 21:08:23,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (81 of 131 remaining) [2022-11-18 21:08:23,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (80 of 131 remaining) [2022-11-18 21:08:23,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (79 of 131 remaining) [2022-11-18 21:08:23,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (78 of 131 remaining) [2022-11-18 21:08:23,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (77 of 131 remaining) [2022-11-18 21:08:23,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 131 remaining) [2022-11-18 21:08:23,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 131 remaining) [2022-11-18 21:08:23,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 131 remaining) [2022-11-18 21:08:23,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 131 remaining) [2022-11-18 21:08:23,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 131 remaining) [2022-11-18 21:08:23,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 131 remaining) [2022-11-18 21:08:23,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 131 remaining) [2022-11-18 21:08:23,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 131 remaining) [2022-11-18 21:08:23,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 131 remaining) [2022-11-18 21:08:23,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 131 remaining) [2022-11-18 21:08:23,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (66 of 131 remaining) [2022-11-18 21:08:23,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (65 of 131 remaining) [2022-11-18 21:08:23,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 131 remaining) [2022-11-18 21:08:23,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 131 remaining) [2022-11-18 21:08:23,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 131 remaining) [2022-11-18 21:08:23,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 131 remaining) [2022-11-18 21:08:23,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 131 remaining) [2022-11-18 21:08:23,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 131 remaining) [2022-11-18 21:08:23,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 131 remaining) [2022-11-18 21:08:23,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 131 remaining) [2022-11-18 21:08:23,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 131 remaining) [2022-11-18 21:08:23,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 131 remaining) [2022-11-18 21:08:23,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 131 remaining) [2022-11-18 21:08:23,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 131 remaining) [2022-11-18 21:08:23,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 131 remaining) [2022-11-18 21:08:23,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 131 remaining) [2022-11-18 21:08:23,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 131 remaining) [2022-11-18 21:08:23,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 131 remaining) [2022-11-18 21:08:23,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 131 remaining) [2022-11-18 21:08:23,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (47 of 131 remaining) [2022-11-18 21:08:23,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 131 remaining) [2022-11-18 21:08:23,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 131 remaining) [2022-11-18 21:08:23,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 131 remaining) [2022-11-18 21:08:23,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 131 remaining) [2022-11-18 21:08:23,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 131 remaining) [2022-11-18 21:08:23,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (41 of 131 remaining) [2022-11-18 21:08:23,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (40 of 131 remaining) [2022-11-18 21:08:23,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (39 of 131 remaining) [2022-11-18 21:08:23,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (38 of 131 remaining) [2022-11-18 21:08:23,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (37 of 131 remaining) [2022-11-18 21:08:23,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (36 of 131 remaining) [2022-11-18 21:08:23,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 131 remaining) [2022-11-18 21:08:23,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 131 remaining) [2022-11-18 21:08:23,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 131 remaining) [2022-11-18 21:08:23,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 131 remaining) [2022-11-18 21:08:23,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (31 of 131 remaining) [2022-11-18 21:08:23,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (30 of 131 remaining) [2022-11-18 21:08:23,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 131 remaining) [2022-11-18 21:08:23,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 131 remaining) [2022-11-18 21:08:23,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 131 remaining) [2022-11-18 21:08:23,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 131 remaining) [2022-11-18 21:08:23,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (25 of 131 remaining) [2022-11-18 21:08:23,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (24 of 131 remaining) [2022-11-18 21:08:23,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 131 remaining) [2022-11-18 21:08:23,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 131 remaining) [2022-11-18 21:08:23,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (21 of 131 remaining) [2022-11-18 21:08:23,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (20 of 131 remaining) [2022-11-18 21:08:23,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (19 of 131 remaining) [2022-11-18 21:08:23,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 131 remaining) [2022-11-18 21:08:23,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 131 remaining) [2022-11-18 21:08:23,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 131 remaining) [2022-11-18 21:08:23,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 131 remaining) [2022-11-18 21:08:23,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 131 remaining) [2022-11-18 21:08:23,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 131 remaining) [2022-11-18 21:08:23,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 131 remaining) [2022-11-18 21:08:23,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 131 remaining) [2022-11-18 21:08:23,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 131 remaining) [2022-11-18 21:08:23,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 131 remaining) [2022-11-18 21:08:23,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (8 of 131 remaining) [2022-11-18 21:08:23,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 131 remaining) [2022-11-18 21:08:23,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 131 remaining) [2022-11-18 21:08:23,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 131 remaining) [2022-11-18 21:08:23,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 131 remaining) [2022-11-18 21:08:23,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 131 remaining) [2022-11-18 21:08:23,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 131 remaining) [2022-11-18 21:08:23,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 131 remaining) [2022-11-18 21:08:23,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 131 remaining) [2022-11-18 21:08:23,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 21:08:23,393 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:23,400 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 21:08:23,401 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:08:23,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:08:23 BasicIcfg [2022-11-18 21:08:23,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:08:23,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:08:23,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:08:23,409 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:08:23,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:13" (3/4) ... [2022-11-18 21:08:23,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 21:08:23,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 21:08:23,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 21:08:23,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 21:08:23,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-18 21:08:23,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 21:08:23,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 21:08:23,429 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 21:08:23,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:08:23,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:08:23,483 INFO L158 Benchmark]: Toolchain (without parser) took 13359.10ms. Allocated memory was 109.1MB in the beginning and 375.4MB in the end (delta: 266.3MB). Free memory was 70.0MB in the beginning and 285.0MB in the end (delta: -215.0MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,484 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:08:23,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 82.9MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.33ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,485 INFO L158 Benchmark]: Boogie Preprocessor took 98.67ms. Allocated memory is still 109.1MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,486 INFO L158 Benchmark]: RCFGBuilder took 3013.01ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 76.2MB in the beginning and 77.2MB in the end (delta: -1.0MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,486 INFO L158 Benchmark]: TraceAbstraction took 9707.79ms. Allocated memory was 146.8MB in the beginning and 375.4MB in the end (delta: 228.6MB). Free memory was 76.2MB in the beginning and 290.3MB in the end (delta: -214.1MB). Peak memory consumption was 192.7MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,486 INFO L158 Benchmark]: Witness Printer took 74.43ms. Allocated memory is still 375.4MB. Free memory was 290.3MB in the beginning and 285.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:08:23,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.37ms. Allocated memory is still 109.1MB. Free memory was 69.7MB in the beginning and 82.9MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.33ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.67ms. Allocated memory is still 109.1MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3013.01ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 76.2MB in the beginning and 77.2MB in the end (delta: -1.0MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9707.79ms. Allocated memory was 146.8MB in the beginning and 375.4MB in the end (delta: 228.6MB). Free memory was 76.2MB in the beginning and 290.3MB in the end (delta: -214.1MB). Peak memory consumption was 192.7MB. Max. memory is 16.1GB. * Witness Printer took 74.43ms. Allocated memory is still 375.4MB. Free memory was 290.3MB in the beginning and 285.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 351 locations, 131 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 559 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 83 mSDtfsCounter, 559 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=534occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1848 NumberOfCodeBlocks, 1848 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1830 ConstructedInterpolants, 0 QuantifiedInterpolants, 2103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 21:08:23,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ef0602-524b-4ea9-b994-8967f7729213/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE