./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i --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_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/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_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/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_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/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 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb --- 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 18:24:29,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:24:29,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:24:29,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:24:29,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:24:29,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:24:29,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:24:29,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:24:29,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:24:29,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:24:29,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:24:29,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:24:29,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:24:29,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:24:29,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:24:29,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:24:29,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:24:29,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:24:29,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:24:29,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:24:29,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:24:29,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:24:29,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:24:29,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:24:29,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:24:29,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:24:29,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:24:29,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:24:29,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:24:29,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:24:29,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:24:29,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:24:29,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:24:29,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:24:29,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:24:29,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:24:29,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:24:29,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:24:29,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:24:29,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:24:29,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:24:29,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:24:29,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:24:29,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:24:29,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:24:29,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:24:29,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:24:29,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:24:29,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:24:29,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:24:29,479 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:24:29,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:24:29,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:24:29,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:24:29,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:24:29,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:24:29,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:24:29,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:24:29,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:24:29,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:24:29,484 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:24:29,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:24:29,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:24:29,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:24:29,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:24:29,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:24:29,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:24:29,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:24:29,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:24:29,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:24:29,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:24:29,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:24:29,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:24:29,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:24:29,487 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:24:29,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:24:29,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:24:29,488 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_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb [2022-11-18 18:24:29,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:24:29,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:24:29,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:24:29,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:24:29,844 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:24:29,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2022-11-18 18:24:29,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/data/02c73240d/ea9ab508f841481088e13d1398baa8e1/FLAGc28acf139 [2022-11-18 18:24:30,580 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:24:30,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2022-11-18 18:24:30,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/data/02c73240d/ea9ab508f841481088e13d1398baa8e1/FLAGc28acf139 [2022-11-18 18:24:30,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/data/02c73240d/ea9ab508f841481088e13d1398baa8e1 [2022-11-18 18:24:30,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:24:30,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:24:30,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:24:30,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:24:30,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:24:30,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:24:30" (1/1) ... [2022-11-18 18:24:30,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e7ac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:30, skipping insertion in model container [2022-11-18 18:24:30,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:24:30" (1/1) ... [2022-11-18 18:24:30,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:24:30,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:24:31,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:24:31,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:24:31,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:24:31,938 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:24:31,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31 WrapperNode [2022-11-18 18:24:31,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:24:31,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:24:31,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:24:31,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:24:31,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:31,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,032 INFO L138 Inliner]: procedures = 369, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 207 [2022-11-18 18:24:32,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:24:32,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:24:32,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:24:32,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:24:32,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:24:32,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:24:32,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:24:32,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:24:32,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (1/1) ... [2022-11-18 18:24:32,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:24:32,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:32,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:24:32,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc01c05f-7a7b-43c0-a5b1-faff559b0ebc/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:24:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:24:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:24:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:24:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:24:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 18:24:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 18:24:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:24:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:24:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:24:32,223 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 18:24:32,448 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:24:32,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:24:33,030 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:24:33,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:24:33,043 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:24:33,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:24:33 BoogieIcfgContainer [2022-11-18 18:24:33,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:24:33,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:24:33,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:24:33,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:24:33,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:24:30" (1/3) ... [2022-11-18 18:24:33,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726c9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:24:33, skipping insertion in model container [2022-11-18 18:24:33,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:31" (2/3) ... [2022-11-18 18:24:33,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726c9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:24:33, skipping insertion in model container [2022-11-18 18:24:33,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:24:33" (3/3) ... [2022-11-18 18:24:33,058 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2022-11-18 18:24:33,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:24:33,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:24:33,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-18 18:24:33,093 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:24:33,223 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 18:24:33,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 245 transitions, 495 flow [2022-11-18 18:24:33,377 INFO L130 PetriNetUnfolder]: 0/244 cut-off events. [2022-11-18 18:24:33,378 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:33,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 244 events. 0/244 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-18 18:24:33,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 245 transitions, 495 flow [2022-11-18 18:24:33,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 244 transitions, 491 flow [2022-11-18 18:24:33,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:24:33,428 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;@7960d949, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:24:33,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-18 18:24:33,448 INFO L130 PetriNetUnfolder]: 0/41 cut-off events. [2022-11-18 18:24:33,449 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:33,449 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:33,449 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 18:24:33,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:33,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:33,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1693056685, now seen corresponding path program 1 times [2022-11-18 18:24:33,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:33,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356834907] [2022-11-18 18:24:33,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:34,375 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 18:24:34,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:34,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356834907] [2022-11-18 18:24:34,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356834907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:34,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:34,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:34,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102306546] [2022-11-18 18:24:34,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:34,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:34,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:34,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:34,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:34,452 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 245 [2022-11-18 18:24:34,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 244 transitions, 491 flow. Second operand has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 0 states have call successors, (0), 0 states 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 18:24:34,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:34,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 245 [2022-11-18 18:24:34,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:35,237 INFO L130 PetriNetUnfolder]: 360/1309 cut-off events. [2022-11-18 18:24:35,238 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:24:35,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 1309 events. 360/1309 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6695 event pairs, 360 based on Foata normal form. 0/1133 useless extension candidates. Maximal degree in co-relation 1934. Up to 806 conditions per place. [2022-11-18 18:24:35,260 INFO L137 encePairwiseOnDemand]: 227/245 looper letters, 85 selfloop transitions, 15 changer transitions 0/241 dead transitions. [2022-11-18 18:24:35,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 241 transitions, 685 flow [2022-11-18 18:24:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 955 transitions. [2022-11-18 18:24:35,283 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6496598639455783 [2022-11-18 18:24:35,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 955 transitions. [2022-11-18 18:24:35,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 955 transitions. [2022-11-18 18:24:35,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:35,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 955 transitions. [2022-11-18 18:24:35,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.16666666666666) internal successors, (955), 6 states have internal predecessors, (955), 0 states have call successors, (0), 0 states 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 18:24:35,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:35,313 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:35,316 INFO L175 Difference]: Start difference. First operand has 248 places, 244 transitions, 491 flow. Second operand 6 states and 955 transitions. [2022-11-18 18:24:35,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 241 transitions, 685 flow [2022-11-18 18:24:35,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 241 transitions, 684 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:24:35,331 INFO L231 Difference]: Finished difference. Result has 249 places, 241 transitions, 514 flow [2022-11-18 18:24:35,333 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=249, PETRI_TRANSITIONS=241} [2022-11-18 18:24:35,338 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 1 predicate places. [2022-11-18 18:24:35,339 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 241 transitions, 514 flow [2022-11-18 18:24:35,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 143.5) internal successors, (861), 6 states have internal predecessors, (861), 0 states have call successors, (0), 0 states 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 18:24:35,341 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:35,341 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] [2022-11-18 18:24:35,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:24:35,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash -508000039, now seen corresponding path program 1 times [2022-11-18 18:24:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:35,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292965653] [2022-11-18 18:24:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:35,879 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 18:24:35,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:35,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292965653] [2022-11-18 18:24:35,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292965653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:35,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:35,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:35,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10089693] [2022-11-18 18:24:35,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:35,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:35,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:35,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:35,892 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 245 [2022-11-18 18:24:35,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 241 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 144.5) internal successors, (867), 6 states have internal predecessors, (867), 0 states have call successors, (0), 0 states 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 18:24:35,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:35,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 245 [2022-11-18 18:24:35,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:36,549 INFO L130 PetriNetUnfolder]: 360/1306 cut-off events. [2022-11-18 18:24:36,549 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 18:24:36,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 1306 events. 360/1306 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6671 event pairs, 360 based on Foata normal form. 0/1133 useless extension candidates. Maximal degree in co-relation 1958. Up to 803 conditions per place. [2022-11-18 18:24:36,556 INFO L137 encePairwiseOnDemand]: 227/245 looper letters, 82 selfloop transitions, 15 changer transitions 0/238 dead transitions. [2022-11-18 18:24:36,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 238 transitions, 702 flow [2022-11-18 18:24:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 952 transitions. [2022-11-18 18:24:36,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6476190476190476 [2022-11-18 18:24:36,562 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 952 transitions. [2022-11-18 18:24:36,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 952 transitions. [2022-11-18 18:24:36,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:36,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 952 transitions. [2022-11-18 18:24:36,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.66666666666666) internal successors, (952), 6 states have internal predecessors, (952), 0 states have call successors, (0), 0 states 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 18:24:36,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:36,571 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:36,571 INFO L175 Difference]: Start difference. First operand has 249 places, 241 transitions, 514 flow. Second operand 6 states and 952 transitions. [2022-11-18 18:24:36,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 238 transitions, 702 flow [2022-11-18 18:24:36,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 238 transitions, 672 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 18:24:36,585 INFO L231 Difference]: Finished difference. Result has 246 places, 238 transitions, 508 flow [2022-11-18 18:24:36,586 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=508, PETRI_PLACES=246, PETRI_TRANSITIONS=238} [2022-11-18 18:24:36,587 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -2 predicate places. [2022-11-18 18:24:36,587 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 238 transitions, 508 flow [2022-11-18 18:24:36,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.5) internal successors, (867), 6 states have internal predecessors, (867), 0 states have call successors, (0), 0 states 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 18:24:36,588 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:36,589 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] [2022-11-18 18:24:36,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:24:36,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash -844517101, now seen corresponding path program 1 times [2022-11-18 18:24:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:36,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355151921] [2022-11-18 18:24:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:36,678 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 18:24:36,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:36,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355151921] [2022-11-18 18:24:36,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355151921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:36,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:36,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:36,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130630706] [2022-11-18 18:24:36,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:36,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:36,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:36,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:36,688 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 245 [2022-11-18 18:24:36,689 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 238 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states 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 18:24:36,689 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:36,690 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 245 [2022-11-18 18:24:36,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:36,794 INFO L130 PetriNetUnfolder]: 18/388 cut-off events. [2022-11-18 18:24:36,794 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:36,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 388 events. 18/388 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 807 event pairs, 18 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 308. Up to 56 conditions per place. [2022-11-18 18:24:36,797 INFO L137 encePairwiseOnDemand]: 242/245 looper letters, 19 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2022-11-18 18:24:36,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 548 flow [2022-11-18 18:24:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:24:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 691 transitions. [2022-11-18 18:24:36,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9401360544217687 [2022-11-18 18:24:36,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 691 transitions. [2022-11-18 18:24:36,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 691 transitions. [2022-11-18 18:24:36,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:36,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 691 transitions. [2022-11-18 18:24:36,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states 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 18:24:36,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:36,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:36,811 INFO L175 Difference]: Start difference. First operand has 246 places, 238 transitions, 508 flow. Second operand 3 states and 691 transitions. [2022-11-18 18:24:36,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 548 flow [2022-11-18 18:24:36,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 237 transitions, 518 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 18:24:36,818 INFO L231 Difference]: Finished difference. Result has 242 places, 237 transitions, 480 flow [2022-11-18 18:24:36,818 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=242, PETRI_TRANSITIONS=237} [2022-11-18 18:24:36,821 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -6 predicate places. [2022-11-18 18:24:36,822 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 237 transitions, 480 flow [2022-11-18 18:24:36,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states 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 18:24:36,823 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:36,825 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] [2022-11-18 18:24:36,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:24:36,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1861345983, now seen corresponding path program 1 times [2022-11-18 18:24:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:36,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918832074] [2022-11-18 18:24:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:36,897 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 18:24:36,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:36,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918832074] [2022-11-18 18:24:36,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918832074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:36,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:36,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:36,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800015851] [2022-11-18 18:24:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:36,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:36,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:36,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:36,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:36,901 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 245 [2022-11-18 18:24:36,902 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 237 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states 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 18:24:36,902 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:36,903 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 245 [2022-11-18 18:24:36,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:36,967 INFO L130 PetriNetUnfolder]: 8/333 cut-off events. [2022-11-18 18:24:36,967 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:24:36,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 333 events. 8/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 497 event pairs, 8 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 303. Up to 27 conditions per place. [2022-11-18 18:24:36,969 INFO L137 encePairwiseOnDemand]: 239/245 looper letters, 12 selfloop transitions, 1 changer transitions 0/232 dead transitions. [2022-11-18 18:24:36,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 232 transitions, 496 flow [2022-11-18 18:24:36,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:24:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 696 transitions. [2022-11-18 18:24:36,972 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9469387755102041 [2022-11-18 18:24:36,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 696 transitions. [2022-11-18 18:24:36,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 696 transitions. [2022-11-18 18:24:36,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:36,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 696 transitions. [2022-11-18 18:24:36,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states 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 18:24:36,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:36,978 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:36,978 INFO L175 Difference]: Start difference. First operand has 242 places, 237 transitions, 480 flow. Second operand 3 states and 696 transitions. [2022-11-18 18:24:36,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 232 transitions, 496 flow [2022-11-18 18:24:36,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:24:36,983 INFO L231 Difference]: Finished difference. Result has 237 places, 232 transitions, 468 flow [2022-11-18 18:24:36,984 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2022-11-18 18:24:36,985 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -11 predicate places. [2022-11-18 18:24:36,985 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 468 flow [2022-11-18 18:24:36,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states 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 18:24:36,986 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:36,986 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] [2022-11-18 18:24:36,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:24:36,987 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:36,987 INFO L85 PathProgramCache]: Analyzing trace with hash -611283254, now seen corresponding path program 1 times [2022-11-18 18:24:36,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:36,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296735570] [2022-11-18 18:24:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:36,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:37,635 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 18:24:37,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:37,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296735570] [2022-11-18 18:24:37,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296735570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:37,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:37,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481556166] [2022-11-18 18:24:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:37,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:37,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:37,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:37,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:37,641 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 245 [2022-11-18 18:24:37,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 0 states 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 18:24:37,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:37,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 245 [2022-11-18 18:24:37,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:38,306 INFO L130 PetriNetUnfolder]: 416/1384 cut-off events. [2022-11-18 18:24:38,306 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:38,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2310 conditions, 1384 events. 416/1384 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 7011 event pairs, 416 based on Foata normal form. 0/1232 useless extension candidates. Maximal degree in co-relation 2233. Up to 916 conditions per place. [2022-11-18 18:24:38,315 INFO L137 encePairwiseOnDemand]: 239/245 looper letters, 83 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2022-11-18 18:24:38,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 231 transitions, 642 flow [2022-11-18 18:24:38,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 989 transitions. [2022-11-18 18:24:38,319 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6727891156462585 [2022-11-18 18:24:38,319 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 989 transitions. [2022-11-18 18:24:38,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 989 transitions. [2022-11-18 18:24:38,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:38,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 989 transitions. [2022-11-18 18:24:38,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states 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 18:24:38,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:38,327 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:38,328 INFO L175 Difference]: Start difference. First operand has 237 places, 232 transitions, 468 flow. Second operand 6 states and 989 transitions. [2022-11-18 18:24:38,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 231 transitions, 642 flow [2022-11-18 18:24:38,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 231 transitions, 641 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:24:38,334 INFO L231 Difference]: Finished difference. Result has 240 places, 231 transitions, 475 flow [2022-11-18 18:24:38,335 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=240, PETRI_TRANSITIONS=231} [2022-11-18 18:24:38,336 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -8 predicate places. [2022-11-18 18:24:38,336 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 231 transitions, 475 flow [2022-11-18 18:24:38,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 0 states 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 18:24:38,337 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:38,337 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 18:24:38,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:24:38,338 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:38,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:38,338 INFO L85 PathProgramCache]: Analyzing trace with hash -846604848, now seen corresponding path program 1 times [2022-11-18 18:24:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:38,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826049624] [2022-11-18 18:24:38,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:38,460 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 18:24:38,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:38,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826049624] [2022-11-18 18:24:38,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826049624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:38,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:38,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:38,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971117139] [2022-11-18 18:24:38,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:38,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:38,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:38,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:38,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:38,466 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 245 [2022-11-18 18:24:38,467 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 231 transitions, 475 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states 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 18:24:38,467 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:38,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 245 [2022-11-18 18:24:38,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:38,519 INFO L130 PetriNetUnfolder]: 0/230 cut-off events. [2022-11-18 18:24:38,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:38,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 230 events. 0/230 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2022-11-18 18:24:38,520 INFO L137 encePairwiseOnDemand]: 242/245 looper letters, 7 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2022-11-18 18:24:38,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 230 transitions, 491 flow [2022-11-18 18:24:38,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:24:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2022-11-18 18:24:38,524 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9727891156462585 [2022-11-18 18:24:38,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2022-11-18 18:24:38,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2022-11-18 18:24:38,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:38,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2022-11-18 18:24:38,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states 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 18:24:38,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:38,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:38,530 INFO L175 Difference]: Start difference. First operand has 240 places, 231 transitions, 475 flow. Second operand 3 states and 715 transitions. [2022-11-18 18:24:38,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 230 transitions, 491 flow [2022-11-18 18:24:38,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 230 transitions, 481 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 18:24:38,536 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 467 flow [2022-11-18 18:24:38,537 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2022-11-18 18:24:38,538 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -12 predicate places. [2022-11-18 18:24:38,538 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 467 flow [2022-11-18 18:24:38,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states 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 18:24:38,539 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:38,539 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] [2022-11-18 18:24:38,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:24:38,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:38,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:38,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1500311913, now seen corresponding path program 1 times [2022-11-18 18:24:38,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:38,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650732393] [2022-11-18 18:24:38,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:38,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:38,644 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 18:24:38,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:38,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650732393] [2022-11-18 18:24:38,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650732393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:38,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:38,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:38,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778150126] [2022-11-18 18:24:38,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:38,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:38,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:38,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:38,654 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 245 [2022-11-18 18:24:38,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states 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 18:24:38,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:38,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 245 [2022-11-18 18:24:38,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:38,705 INFO L130 PetriNetUnfolder]: 0/229 cut-off events. [2022-11-18 18:24:38,705 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:24:38,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 229 events. 0/229 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-11-18 18:24:38,707 INFO L137 encePairwiseOnDemand]: 243/245 looper letters, 4 selfloop transitions, 1 changer transitions 0/229 dead transitions. [2022-11-18 18:24:38,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 229 transitions, 475 flow [2022-11-18 18:24:38,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:24:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2022-11-18 18:24:38,710 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9795918367346939 [2022-11-18 18:24:38,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 720 transitions. [2022-11-18 18:24:38,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 720 transitions. [2022-11-18 18:24:38,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:38,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 720 transitions. [2022-11-18 18:24:38,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 0 states have call successors, (0), 0 states 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 18:24:38,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:38,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states 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 18:24:38,719 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 467 flow. Second operand 3 states and 720 transitions. [2022-11-18 18:24:38,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 229 transitions, 475 flow [2022-11-18 18:24:38,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 229 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:24:38,724 INFO L231 Difference]: Finished difference. Result has 235 places, 229 transitions, 463 flow [2022-11-18 18:24:38,725 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=235, PETRI_TRANSITIONS=229} [2022-11-18 18:24:38,726 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -13 predicate places. [2022-11-18 18:24:38,726 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 229 transitions, 463 flow [2022-11-18 18:24:38,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states 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 18:24:38,727 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:38,727 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] [2022-11-18 18:24:38,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:24:38,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:38,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1315759893, now seen corresponding path program 1 times [2022-11-18 18:24:38,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:38,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454219073] [2022-11-18 18:24:38,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:38,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,590 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 18:24:39,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454219073] [2022-11-18 18:24:39,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454219073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959042987] [2022-11-18 18:24:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:39,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:39,596 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 245 [2022-11-18 18:24:39,597 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 229 transitions, 463 flow. Second operand has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states 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 18:24:39,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:39,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 245 [2022-11-18 18:24:39,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:40,675 INFO L130 PetriNetUnfolder]: 748/2388 cut-off events. [2022-11-18 18:24:40,676 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:24:40,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4027 conditions, 2388 events. 748/2388 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14812 event pairs, 64 based on Foata normal form. 0/2134 useless extension candidates. Maximal degree in co-relation 3951. Up to 791 conditions per place. [2022-11-18 18:24:40,691 INFO L137 encePairwiseOnDemand]: 217/245 looper letters, 171 selfloop transitions, 70 changer transitions 0/385 dead transitions. [2022-11-18 18:24:40,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 385 transitions, 1257 flow [2022-11-18 18:24:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1161 transitions. [2022-11-18 18:24:40,695 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.789795918367347 [2022-11-18 18:24:40,696 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1161 transitions. [2022-11-18 18:24:40,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1161 transitions. [2022-11-18 18:24:40,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:40,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1161 transitions. [2022-11-18 18:24:40,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.5) internal successors, (1161), 6 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states 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 18:24:40,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:40,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:40,705 INFO L175 Difference]: Start difference. First operand has 235 places, 229 transitions, 463 flow. Second operand 6 states and 1161 transitions. [2022-11-18 18:24:40,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 385 transitions, 1257 flow [2022-11-18 18:24:40,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 385 transitions, 1256 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:24:40,715 INFO L231 Difference]: Finished difference. Result has 243 places, 299 transitions, 940 flow [2022-11-18 18:24:40,715 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=243, PETRI_TRANSITIONS=299} [2022-11-18 18:24:40,716 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, -5 predicate places. [2022-11-18 18:24:40,716 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 299 transitions, 940 flow [2022-11-18 18:24:40,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states 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 18:24:40,717 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:40,718 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] [2022-11-18 18:24:40,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:24:40,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:40,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:40,719 INFO L85 PathProgramCache]: Analyzing trace with hash 99857008, now seen corresponding path program 1 times [2022-11-18 18:24:40,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:40,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959954102] [2022-11-18 18:24:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:41,553 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 18:24:41,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:41,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959954102] [2022-11-18 18:24:41,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959954102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:41,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:41,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:41,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298126060] [2022-11-18 18:24:41,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:41,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:41,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:41,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:41,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:41,557 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 245 [2022-11-18 18:24:41,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 299 transitions, 940 flow. Second operand has 6 states, 6 states have (on average 161.5) internal successors, (969), 6 states have internal predecessors, (969), 0 states have call successors, (0), 0 states 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 18:24:41,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:41,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 245 [2022-11-18 18:24:41,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:42,400 INFO L130 PetriNetUnfolder]: 836/2696 cut-off events. [2022-11-18 18:24:42,401 INFO L131 PetriNetUnfolder]: For 881/881 co-relation queries the response was YES. [2022-11-18 18:24:42,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5940 conditions, 2696 events. 836/2696 cut-off events. For 881/881 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17273 event pairs, 379 based on Foata normal form. 0/2509 useless extension candidates. Maximal degree in co-relation 5862. Up to 1700 conditions per place. [2022-11-18 18:24:42,416 INFO L137 encePairwiseOnDemand]: 230/245 looper letters, 166 selfloop transitions, 48 changer transitions 0/359 dead transitions. [2022-11-18 18:24:42,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 359 transitions, 1584 flow [2022-11-18 18:24:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1061 transitions. [2022-11-18 18:24:42,420 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7217687074829932 [2022-11-18 18:24:42,420 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1061 transitions. [2022-11-18 18:24:42,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1061 transitions. [2022-11-18 18:24:42,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:42,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1061 transitions. [2022-11-18 18:24:42,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states 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 18:24:42,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:42,427 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:42,427 INFO L175 Difference]: Start difference. First operand has 243 places, 299 transitions, 940 flow. Second operand 6 states and 1061 transitions. [2022-11-18 18:24:42,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 359 transitions, 1584 flow [2022-11-18 18:24:42,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 359 transitions, 1584 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:24:42,440 INFO L231 Difference]: Finished difference. Result has 253 places, 342 transitions, 1328 flow [2022-11-18 18:24:42,441 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1328, PETRI_PLACES=253, PETRI_TRANSITIONS=342} [2022-11-18 18:24:42,441 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 5 predicate places. [2022-11-18 18:24:42,442 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 342 transitions, 1328 flow [2022-11-18 18:24:42,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 161.5) internal successors, (969), 6 states have internal predecessors, (969), 0 states have call successors, (0), 0 states 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 18:24:42,442 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:42,443 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] [2022-11-18 18:24:42,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:24:42,443 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:42,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1941721989, now seen corresponding path program 1 times [2022-11-18 18:24:42,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:42,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779243169] [2022-11-18 18:24:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:43,213 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 18:24:43,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:43,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779243169] [2022-11-18 18:24:43,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779243169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:43,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:43,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:43,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127423401] [2022-11-18 18:24:43,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:43,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:43,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:43,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:43,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:43,225 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 245 [2022-11-18 18:24:43,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 342 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states 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 18:24:43,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:43,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 245 [2022-11-18 18:24:43,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:44,906 INFO L130 PetriNetUnfolder]: 1057/3510 cut-off events. [2022-11-18 18:24:44,907 INFO L131 PetriNetUnfolder]: For 2168/2276 co-relation queries the response was YES. [2022-11-18 18:24:44,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8630 conditions, 3510 events. 1057/3510 cut-off events. For 2168/2276 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 24868 event pairs, 222 based on Foata normal form. 0/3371 useless extension candidates. Maximal degree in co-relation 8544. Up to 1726 conditions per place. [2022-11-18 18:24:44,933 INFO L137 encePairwiseOnDemand]: 223/245 looper letters, 273 selfloop transitions, 135 changer transitions 4/557 dead transitions. [2022-11-18 18:24:44,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 557 transitions, 3244 flow [2022-11-18 18:24:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1123 transitions. [2022-11-18 18:24:44,938 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7639455782312925 [2022-11-18 18:24:44,938 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1123 transitions. [2022-11-18 18:24:44,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1123 transitions. [2022-11-18 18:24:44,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:44,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1123 transitions. [2022-11-18 18:24:44,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states 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 18:24:44,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:44,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:44,947 INFO L175 Difference]: Start difference. First operand has 253 places, 342 transitions, 1328 flow. Second operand 6 states and 1123 transitions. [2022-11-18 18:24:44,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 557 transitions, 3244 flow [2022-11-18 18:24:44,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 557 transitions, 3226 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-11-18 18:24:44,973 INFO L231 Difference]: Finished difference. Result has 263 places, 472 transitions, 2668 flow [2022-11-18 18:24:44,975 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2668, PETRI_PLACES=263, PETRI_TRANSITIONS=472} [2022-11-18 18:24:44,976 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 15 predicate places. [2022-11-18 18:24:44,977 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 472 transitions, 2668 flow [2022-11-18 18:24:44,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states 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 18:24:44,978 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:44,979 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] [2022-11-18 18:24:44,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:24:44,979 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:44,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1810613515, now seen corresponding path program 1 times [2022-11-18 18:24:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:44,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448964616] [2022-11-18 18:24:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:44,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:45,639 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 18:24:45,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:45,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448964616] [2022-11-18 18:24:45,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448964616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:45,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:45,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:45,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855788144] [2022-11-18 18:24:45,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:45,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:45,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:45,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:45,644 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 245 [2022-11-18 18:24:45,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 472 transitions, 2668 flow. Second operand has 6 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states 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 18:24:45,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:45,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 245 [2022-11-18 18:24:45,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:47,066 INFO L130 PetriNetUnfolder]: 1055/3494 cut-off events. [2022-11-18 18:24:47,067 INFO L131 PetriNetUnfolder]: For 3970/4036 co-relation queries the response was YES. [2022-11-18 18:24:47,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10359 conditions, 3494 events. 1055/3494 cut-off events. For 3970/4036 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 24699 event pairs, 258 based on Foata normal form. 0/3402 useless extension candidates. Maximal degree in co-relation 10271. Up to 2152 conditions per place. [2022-11-18 18:24:47,119 INFO L137 encePairwiseOnDemand]: 230/245 looper letters, 331 selfloop transitions, 62 changer transitions 0/539 dead transitions. [2022-11-18 18:24:47,119 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 539 transitions, 3868 flow [2022-11-18 18:24:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:24:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1061 transitions. [2022-11-18 18:24:47,123 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7217687074829932 [2022-11-18 18:24:47,123 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1061 transitions. [2022-11-18 18:24:47,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1061 transitions. [2022-11-18 18:24:47,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:47,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1061 transitions. [2022-11-18 18:24:47,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states 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 18:24:47,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:47,132 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 245.0) internal successors, (1715), 7 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states 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 18:24:47,132 INFO L175 Difference]: Start difference. First operand has 263 places, 472 transitions, 2668 flow. Second operand 6 states and 1061 transitions. [2022-11-18 18:24:47,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 539 transitions, 3868 flow [2022-11-18 18:24:47,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 539 transitions, 3832 flow, removed 18 selfloop flow, removed 0 redundant places. [2022-11-18 18:24:47,175 INFO L231 Difference]: Finished difference. Result has 273 places, 521 transitions, 3258 flow [2022-11-18 18:24:47,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=2632, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3258, PETRI_PLACES=273, PETRI_TRANSITIONS=521} [2022-11-18 18:24:47,176 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 25 predicate places. [2022-11-18 18:24:47,177 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 521 transitions, 3258 flow [2022-11-18 18:24:47,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states 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 18:24:47,177 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:47,178 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] [2022-11-18 18:24:47,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:24:47,178 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash -75327835, now seen corresponding path program 1 times [2022-11-18 18:24:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:47,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402186284] [2022-11-18 18:24:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:48,620 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 18:24:48,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:48,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402186284] [2022-11-18 18:24:48,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402186284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:48,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:48,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:24:48,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979455621] [2022-11-18 18:24:48,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:48,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:24:48,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:48,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:24:48,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:24:48,628 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:24:48,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 521 transitions, 3258 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:24:48,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:48,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:24:48,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:52,827 INFO L130 PetriNetUnfolder]: 1795/6034 cut-off events. [2022-11-18 18:24:52,828 INFO L131 PetriNetUnfolder]: For 9736/9829 co-relation queries the response was YES. [2022-11-18 18:24:52,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18992 conditions, 6034 events. 1795/6034 cut-off events. For 9736/9829 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 50954 event pairs, 260 based on Foata normal form. 46/5972 useless extension candidates. Maximal degree in co-relation 18889. Up to 1270 conditions per place. [2022-11-18 18:24:52,892 INFO L137 encePairwiseOnDemand]: 208/245 looper letters, 759 selfloop transitions, 232 changer transitions 7/1126 dead transitions. [2022-11-18 18:24:52,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 1126 transitions, 9720 flow [2022-11-18 18:24:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 18:24:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-11-18 18:24:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4430 transitions. [2022-11-18 18:24:52,907 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6235045742434905 [2022-11-18 18:24:52,907 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4430 transitions. [2022-11-18 18:24:52,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4430 transitions. [2022-11-18 18:24:52,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:52,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4430 transitions. [2022-11-18 18:24:52,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 152.75862068965517) internal successors, (4430), 29 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states 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 18:24:52,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states 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 18:24:52,940 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states 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 18:24:52,940 INFO L175 Difference]: Start difference. First operand has 273 places, 521 transitions, 3258 flow. Second operand 29 states and 4430 transitions. [2022-11-18 18:24:52,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 1126 transitions, 9720 flow [2022-11-18 18:24:53,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 1126 transitions, 9524 flow, removed 98 selfloop flow, removed 0 redundant places. [2022-11-18 18:24:53,047 INFO L231 Difference]: Finished difference. Result has 314 places, 658 transitions, 5325 flow [2022-11-18 18:24:53,048 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=3146, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=5325, PETRI_PLACES=314, PETRI_TRANSITIONS=658} [2022-11-18 18:24:53,050 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 66 predicate places. [2022-11-18 18:24:53,051 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 658 transitions, 5325 flow [2022-11-18 18:24:53,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:24:53,060 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:53,060 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] [2022-11-18 18:24:53,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:24:53,061 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:53,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:53,061 INFO L85 PathProgramCache]: Analyzing trace with hash -937072887, now seen corresponding path program 2 times [2022-11-18 18:24:53,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:53,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857223288] [2022-11-18 18:24:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:53,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:54,170 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 18:24:54,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:54,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857223288] [2022-11-18 18:24:54,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857223288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:54,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:54,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:24:54,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647724127] [2022-11-18 18:24:54,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:54,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:24:54,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:54,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:24:54,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:24:54,175 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:24:54,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 658 transitions, 5325 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:24:54,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:54,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:24:54,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:24:57,899 INFO L130 PetriNetUnfolder]: 2648/8983 cut-off events. [2022-11-18 18:24:57,899 INFO L131 PetriNetUnfolder]: For 20681/20833 co-relation queries the response was YES. [2022-11-18 18:24:57,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30953 conditions, 8983 events. 2648/8983 cut-off events. For 20681/20833 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 85879 event pairs, 504 based on Foata normal form. 36/8878 useless extension candidates. Maximal degree in co-relation 30833. Up to 2617 conditions per place. [2022-11-18 18:24:57,989 INFO L137 encePairwiseOnDemand]: 213/245 looper letters, 739 selfloop transitions, 247 changer transitions 3/1117 dead transitions. [2022-11-18 18:24:57,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 1117 transitions, 11406 flow [2022-11-18 18:24:57,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 18:24:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-18 18:24:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3161 transitions. [2022-11-18 18:24:58,000 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6143828960155491 [2022-11-18 18:24:58,001 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3161 transitions. [2022-11-18 18:24:58,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3161 transitions. [2022-11-18 18:24:58,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:24:58,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3161 transitions. [2022-11-18 18:24:58,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 150.52380952380952) internal successors, (3161), 21 states have internal predecessors, (3161), 0 states have call successors, (0), 0 states 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 18:24:58,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 245.0) internal successors, (5390), 22 states have internal predecessors, (5390), 0 states have call successors, (0), 0 states 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 18:24:58,022 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 245.0) internal successors, (5390), 22 states have internal predecessors, (5390), 0 states have call successors, (0), 0 states 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 18:24:58,022 INFO L175 Difference]: Start difference. First operand has 314 places, 658 transitions, 5325 flow. Second operand 21 states and 3161 transitions. [2022-11-18 18:24:58,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 1117 transitions, 11406 flow [2022-11-18 18:24:58,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 1117 transitions, 11390 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-11-18 18:24:58,221 INFO L231 Difference]: Finished difference. Result has 346 places, 792 transitions, 8084 flow [2022-11-18 18:24:58,222 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=5315, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=658, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8084, PETRI_PLACES=346, PETRI_TRANSITIONS=792} [2022-11-18 18:24:58,223 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 98 predicate places. [2022-11-18 18:24:58,224 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 792 transitions, 8084 flow [2022-11-18 18:24:58,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:24:58,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:24:58,225 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] [2022-11-18 18:24:58,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:24:58,226 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:24:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2037729779, now seen corresponding path program 3 times [2022-11-18 18:24:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:58,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625969289] [2022-11-18 18:24:58,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:59,563 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 18:24:59,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:59,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625969289] [2022-11-18 18:24:59,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625969289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:59,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:59,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:24:59,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276421909] [2022-11-18 18:24:59,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:59,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:24:59,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:24:59,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:24:59,567 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:24:59,569 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 792 transitions, 8084 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:24:59,569 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:24:59,569 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:24:59,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:25:05,382 INFO L130 PetriNetUnfolder]: 3908/13274 cut-off events. [2022-11-18 18:25:05,382 INFO L131 PetriNetUnfolder]: For 39607/39916 co-relation queries the response was YES. [2022-11-18 18:25:05,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48564 conditions, 13274 events. 3908/13274 cut-off events. For 39607/39916 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 140526 event pairs, 585 based on Foata normal form. 108/13186 useless extension candidates. Maximal degree in co-relation 48493. Up to 2811 conditions per place. [2022-11-18 18:25:05,546 INFO L137 encePairwiseOnDemand]: 210/245 looper letters, 792 selfloop transitions, 468 changer transitions 5/1393 dead transitions. [2022-11-18 18:25:05,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1393 transitions, 16518 flow [2022-11-18 18:25:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 18:25:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2022-11-18 18:25:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4230 transitions. [2022-11-18 18:25:05,555 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6166180758017493 [2022-11-18 18:25:05,555 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4230 transitions. [2022-11-18 18:25:05,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4230 transitions. [2022-11-18 18:25:05,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:25:05,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4230 transitions. [2022-11-18 18:25:05,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 151.07142857142858) internal successors, (4230), 28 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states 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 18:25:05,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 245.0) internal successors, (7105), 29 states have internal predecessors, (7105), 0 states have call successors, (0), 0 states 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 18:25:05,580 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 245.0) internal successors, (7105), 29 states have internal predecessors, (7105), 0 states have call successors, (0), 0 states 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 18:25:05,580 INFO L175 Difference]: Start difference. First operand has 346 places, 792 transitions, 8084 flow. Second operand 28 states and 4230 transitions. [2022-11-18 18:25:05,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1393 transitions, 16518 flow [2022-11-18 18:25:06,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 1393 transitions, 16428 flow, removed 43 selfloop flow, removed 2 redundant places. [2022-11-18 18:25:06,078 INFO L231 Difference]: Finished difference. Result has 385 places, 965 transitions, 12670 flow [2022-11-18 18:25:06,079 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=8042, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=792, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=12670, PETRI_PLACES=385, PETRI_TRANSITIONS=965} [2022-11-18 18:25:06,080 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 137 predicate places. [2022-11-18 18:25:06,080 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 965 transitions, 12670 flow [2022-11-18 18:25:06,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:06,081 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:25:06,081 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] [2022-11-18 18:25:06,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:25:06,082 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:25:06,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:06,082 INFO L85 PathProgramCache]: Analyzing trace with hash 531848827, now seen corresponding path program 1 times [2022-11-18 18:25:06,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:06,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669943834] [2022-11-18 18:25:06,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:06,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:07,789 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 18:25:07,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:07,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669943834] [2022-11-18 18:25:07,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669943834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:07,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:07,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:25:07,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185348287] [2022-11-18 18:25:07,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:07,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:25:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:25:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:25:07,795 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 245 [2022-11-18 18:25:07,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 965 transitions, 12670 flow. Second operand has 13 states, 13 states have (on average 144.46153846153845) internal successors, (1878), 13 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states 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 18:25:07,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:25:07,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 245 [2022-11-18 18:25:07,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:25:13,960 INFO L130 PetriNetUnfolder]: 3604/12206 cut-off events. [2022-11-18 18:25:13,960 INFO L131 PetriNetUnfolder]: For 51192/51400 co-relation queries the response was YES. [2022-11-18 18:25:14,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48645 conditions, 12206 events. 3604/12206 cut-off events. For 51192/51400 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 125479 event pairs, 704 based on Foata normal form. 82/12186 useless extension candidates. Maximal degree in co-relation 48553. Up to 6701 conditions per place. [2022-11-18 18:25:14,137 INFO L137 encePairwiseOnDemand]: 226/245 looper letters, 743 selfloop transitions, 184 changer transitions 0/1095 dead transitions. [2022-11-18 18:25:14,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1095 transitions, 16018 flow [2022-11-18 18:25:14,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:25:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-18 18:25:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2030 transitions. [2022-11-18 18:25:14,143 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6373626373626373 [2022-11-18 18:25:14,143 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2030 transitions. [2022-11-18 18:25:14,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2030 transitions. [2022-11-18 18:25:14,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:25:14,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2030 transitions. [2022-11-18 18:25:14,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.15384615384616) internal successors, (2030), 13 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states 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 18:25:14,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 245.0) internal successors, (3430), 14 states have internal predecessors, (3430), 0 states have call successors, (0), 0 states 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 18:25:14,156 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 245.0) internal successors, (3430), 14 states have internal predecessors, (3430), 0 states have call successors, (0), 0 states 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 18:25:14,157 INFO L175 Difference]: Start difference. First operand has 385 places, 965 transitions, 12670 flow. Second operand 13 states and 2030 transitions. [2022-11-18 18:25:14,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1095 transitions, 16018 flow [2022-11-18 18:25:14,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1095 transitions, 15810 flow, removed 75 selfloop flow, removed 12 redundant places. [2022-11-18 18:25:14,885 INFO L231 Difference]: Finished difference. Result has 390 places, 974 transitions, 13233 flow [2022-11-18 18:25:14,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=12484, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=784, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13233, PETRI_PLACES=390, PETRI_TRANSITIONS=974} [2022-11-18 18:25:14,888 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 142 predicate places. [2022-11-18 18:25:14,888 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 974 transitions, 13233 flow [2022-11-18 18:25:14,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 144.46153846153845) internal successors, (1878), 13 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states 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 18:25:14,889 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:25:14,889 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] [2022-11-18 18:25:14,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:25:14,890 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:25:14,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1164769821, now seen corresponding path program 4 times [2022-11-18 18:25:14,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:14,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827314626] [2022-11-18 18:25:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:16,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:16,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827314626] [2022-11-18 18:25:16,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827314626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:16,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:16,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:25:16,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418840699] [2022-11-18 18:25:16,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:16,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:25:16,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:25:16,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:25:16,295 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:25:16,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 974 transitions, 13233 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:16,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:25:16,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:25:16,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:25:25,707 INFO L130 PetriNetUnfolder]: 5416/18526 cut-off events. [2022-11-18 18:25:25,707 INFO L131 PetriNetUnfolder]: For 89835/90383 co-relation queries the response was YES. [2022-11-18 18:25:25,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75579 conditions, 18526 events. 5416/18526 cut-off events. For 89835/90383 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 211606 event pairs, 902 based on Foata normal form. 221/18504 useless extension candidates. Maximal degree in co-relation 75446. Up to 4210 conditions per place. [2022-11-18 18:25:25,929 INFO L137 encePairwiseOnDemand]: 208/245 looper letters, 844 selfloop transitions, 597 changer transitions 6/1576 dead transitions. [2022-11-18 18:25:25,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 1576 transitions, 22929 flow [2022-11-18 18:25:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 18:25:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-11-18 18:25:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3151 transitions. [2022-11-18 18:25:25,937 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.643061224489796 [2022-11-18 18:25:25,937 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3151 transitions. [2022-11-18 18:25:25,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3151 transitions. [2022-11-18 18:25:25,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:25:25,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3151 transitions. [2022-11-18 18:25:25,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 157.55) internal successors, (3151), 20 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states 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 18:25:25,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 245.0) internal successors, (5145), 21 states have internal predecessors, (5145), 0 states have call successors, (0), 0 states 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 18:25:25,954 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 245.0) internal successors, (5145), 21 states have internal predecessors, (5145), 0 states have call successors, (0), 0 states 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 18:25:25,954 INFO L175 Difference]: Start difference. First operand has 390 places, 974 transitions, 13233 flow. Second operand 20 states and 3151 transitions. [2022-11-18 18:25:25,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 1576 transitions, 22929 flow [2022-11-18 18:25:26,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 1576 transitions, 22772 flow, removed 0 selfloop flow, removed 7 redundant places. [2022-11-18 18:25:26,904 INFO L231 Difference]: Finished difference. Result has 418 places, 1143 transitions, 18839 flow [2022-11-18 18:25:26,905 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=13152, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=428, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=18839, PETRI_PLACES=418, PETRI_TRANSITIONS=1143} [2022-11-18 18:25:26,905 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 170 predicate places. [2022-11-18 18:25:26,906 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 1143 transitions, 18839 flow [2022-11-18 18:25:26,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:26,907 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:25:26,907 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] [2022-11-18 18:25:26,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:25:26,908 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:25:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1446802333, now seen corresponding path program 5 times [2022-11-18 18:25:26,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:26,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370540211] [2022-11-18 18:25:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:27,962 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 18:25:27,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:27,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370540211] [2022-11-18 18:25:27,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370540211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:27,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:27,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:25:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118497446] [2022-11-18 18:25:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:27,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:25:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:25:27,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:25:27,967 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:25:27,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 1143 transitions, 18839 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:27,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:25:27,969 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:25:27,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:25:38,053 INFO L130 PetriNetUnfolder]: 5509/18585 cut-off events. [2022-11-18 18:25:38,053 INFO L131 PetriNetUnfolder]: For 119688/120534 co-relation queries the response was YES. [2022-11-18 18:25:38,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81736 conditions, 18585 events. 5509/18585 cut-off events. For 119688/120534 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 210692 event pairs, 975 based on Foata normal form. 145/18481 useless extension candidates. Maximal degree in co-relation 81630. Up to 8025 conditions per place. [2022-11-18 18:25:38,527 INFO L137 encePairwiseOnDemand]: 215/245 looper letters, 1017 selfloop transitions, 406 changer transitions 7/1559 dead transitions. [2022-11-18 18:25:38,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 1559 transitions, 25723 flow [2022-11-18 18:25:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 18:25:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-11-18 18:25:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4344 transitions. [2022-11-18 18:25:38,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6114004222378606 [2022-11-18 18:25:38,533 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4344 transitions. [2022-11-18 18:25:38,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4344 transitions. [2022-11-18 18:25:38,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:25:38,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4344 transitions. [2022-11-18 18:25:38,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 149.79310344827587) internal successors, (4344), 29 states have internal predecessors, (4344), 0 states have call successors, (0), 0 states 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 18:25:38,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states 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 18:25:38,568 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 245.0) internal successors, (7350), 30 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states 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 18:25:38,569 INFO L175 Difference]: Start difference. First operand has 418 places, 1143 transitions, 18839 flow. Second operand 29 states and 4344 transitions. [2022-11-18 18:25:38,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 1559 transitions, 25723 flow [2022-11-18 18:25:39,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 1559 transitions, 25689 flow, removed 15 selfloop flow, removed 2 redundant places. [2022-11-18 18:25:39,999 INFO L231 Difference]: Finished difference. Result has 450 places, 1208 transitions, 21081 flow [2022-11-18 18:25:39,999 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=18811, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=342, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=21081, PETRI_PLACES=450, PETRI_TRANSITIONS=1208} [2022-11-18 18:25:40,000 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 202 predicate places. [2022-11-18 18:25:40,000 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 1208 transitions, 21081 flow [2022-11-18 18:25:40,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:40,001 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:25:40,001 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] [2022-11-18 18:25:40,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:25:40,001 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:25:40,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash -798009259, now seen corresponding path program 6 times [2022-11-18 18:25:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:40,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72417116] [2022-11-18 18:25:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:41,035 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 18:25:41,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:41,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72417116] [2022-11-18 18:25:41,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72417116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:41,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:41,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:25:41,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838858493] [2022-11-18 18:25:41,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:41,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:25:41,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:41,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:25:41,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:25:41,040 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:25:41,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1208 transitions, 21081 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:41,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:25:41,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:25:41,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:25:52,345 INFO L130 PetriNetUnfolder]: 6068/20539 cut-off events. [2022-11-18 18:25:52,345 INFO L131 PetriNetUnfolder]: For 155174/155773 co-relation queries the response was YES. [2022-11-18 18:25:52,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94355 conditions, 20539 events. 6068/20539 cut-off events. For 155174/155773 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 239027 event pairs, 965 based on Foata normal form. 234/20497 useless extension candidates. Maximal degree in co-relation 94239. Up to 5235 conditions per place. [2022-11-18 18:25:52,886 INFO L137 encePairwiseOnDemand]: 208/245 looper letters, 1014 selfloop transitions, 664 changer transitions 6/1813 dead transitions. [2022-11-18 18:25:52,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1813 transitions, 31431 flow [2022-11-18 18:25:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-18 18:25:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2022-11-18 18:25:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4272 transitions. [2022-11-18 18:25:52,907 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6227405247813411 [2022-11-18 18:25:52,907 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4272 transitions. [2022-11-18 18:25:52,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4272 transitions. [2022-11-18 18:25:52,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:25:52,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4272 transitions. [2022-11-18 18:25:52,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 152.57142857142858) internal successors, (4272), 28 states have internal predecessors, (4272), 0 states have call successors, (0), 0 states 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 18:25:52,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 245.0) internal successors, (7105), 29 states have internal predecessors, (7105), 0 states have call successors, (0), 0 states 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 18:25:52,927 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 245.0) internal successors, (7105), 29 states have internal predecessors, (7105), 0 states have call successors, (0), 0 states 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 18:25:52,927 INFO L175 Difference]: Start difference. First operand has 450 places, 1208 transitions, 21081 flow. Second operand 28 states and 4272 transitions. [2022-11-18 18:25:52,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1813 transitions, 31431 flow [2022-11-18 18:25:54,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1813 transitions, 31301 flow, removed 3 selfloop flow, removed 15 redundant places. [2022-11-18 18:25:54,656 INFO L231 Difference]: Finished difference. Result has 473 places, 1325 transitions, 26243 flow [2022-11-18 18:25:54,657 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=20955, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=547, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=26243, PETRI_PLACES=473, PETRI_TRANSITIONS=1325} [2022-11-18 18:25:54,657 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 225 predicate places. [2022-11-18 18:25:54,657 INFO L495 AbstractCegarLoop]: Abstraction has has 473 places, 1325 transitions, 26243 flow [2022-11-18 18:25:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:54,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:25:54,659 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] [2022-11-18 18:25:54,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:25:54,660 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:25:54,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:54,660 INFO L85 PathProgramCache]: Analyzing trace with hash 391395101, now seen corresponding path program 7 times [2022-11-18 18:25:54,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:54,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530573117] [2022-11-18 18:25:54,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:54,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:56,027 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 18:25:56,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:56,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530573117] [2022-11-18 18:25:56,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530573117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:56,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:56,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 18:25:56,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676995298] [2022-11-18 18:25:56,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:56,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:25:56,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:56,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:25:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:25:56,034 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 245 [2022-11-18 18:25:56,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 1325 transitions, 26243 flow. Second operand has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:25:56,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:25:56,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 245 [2022-11-18 18:25:56,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:26:09,246 INFO L130 PetriNetUnfolder]: 6648/22499 cut-off events. [2022-11-18 18:26:09,247 INFO L131 PetriNetUnfolder]: For 213262/213979 co-relation queries the response was YES. [2022-11-18 18:26:09,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108876 conditions, 22499 events. 6648/22499 cut-off events. For 213262/213979 co-relation queries the response was YES. Maximal size of possible extension queue 731. Compared 266778 event pairs, 1070 based on Foata normal form. 230/22423 useless extension candidates. Maximal degree in co-relation 108749. Up to 6111 conditions per place. [2022-11-18 18:26:09,666 INFO L137 encePairwiseOnDemand]: 208/245 looper letters, 1104 selfloop transitions, 688 changer transitions 5/1926 dead transitions. [2022-11-18 18:26:09,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 1926 transitions, 37319 flow [2022-11-18 18:26:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-18 18:26:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-11-18 18:26:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4114 transitions. [2022-11-18 18:26:09,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6219198790627362 [2022-11-18 18:26:09,673 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4114 transitions. [2022-11-18 18:26:09,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4114 transitions. [2022-11-18 18:26:09,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:26:09,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4114 transitions. [2022-11-18 18:26:09,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 152.37037037037038) internal successors, (4114), 27 states have internal predecessors, (4114), 0 states have call successors, (0), 0 states 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 18:26:09,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 245.0) internal successors, (6860), 28 states have internal predecessors, (6860), 0 states have call successors, (0), 0 states 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 18:26:09,693 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 245.0) internal successors, (6860), 28 states have internal predecessors, (6860), 0 states have call successors, (0), 0 states 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 18:26:09,693 INFO L175 Difference]: Start difference. First operand has 473 places, 1325 transitions, 26243 flow. Second operand 27 states and 4114 transitions. [2022-11-18 18:26:09,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 1926 transitions, 37319 flow [2022-11-18 18:26:12,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 1926 transitions, 37153 flow, removed 21 selfloop flow, removed 15 redundant places. [2022-11-18 18:26:12,327 INFO L231 Difference]: Finished difference. Result has 494 places, 1444 transitions, 31877 flow [2022-11-18 18:26:12,328 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=26079, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=569, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=31877, PETRI_PLACES=494, PETRI_TRANSITIONS=1444} [2022-11-18 18:26:12,329 INFO L288 CegarLoopForPetriNet]: 248 programPoint places, 246 predicate places. [2022-11-18 18:26:12,329 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 1444 transitions, 31877 flow [2022-11-18 18:26:12,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.84615384615384) internal successors, (1818), 13 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states 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 18:26:12,329 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:26:12,330 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:12,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 18:26:12,330 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-18 18:26:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:12,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1677078751, now seen corresponding path program 8 times [2022-11-18 18:26:12,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:12,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451717368] [2022-11-18 18:26:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat