./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:14,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:14,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:45:14,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:14,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:14,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:14,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:14,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:14,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:14,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:14,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:14,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:14,208 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:14,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:14,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:14,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:45:14,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:14,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:45:14,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:14,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:14,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:14,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:14,212 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:45:14,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:14,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:45:14,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:14,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:14,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:14,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:14,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:14,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:14,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:14,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:14,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:14,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:14,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:14,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:14,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:14,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:14,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:14,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:14,218 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-26 10:45:14,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:14,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:14,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:14,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:14,589 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:14,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-26 10:45:17,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:18,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:18,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-26 10:45:18,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/data/64e660a2d/202559fec5d4476f8021357259c95f5e/FLAG760a39813 [2023-11-26 10:45:18,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/data/64e660a2d/202559fec5d4476f8021357259c95f5e [2023-11-26 10:45:18,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:18,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:18,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:18,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:18,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:18,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a313cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18, skipping insertion in model container [2023-11-26 10:45:18,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:18,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:18,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:18,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:18,507 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:18,507 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:45:18,528 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:18,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18 WrapperNode [2023-11-26 10:45:18,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:18,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:18,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:18,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:18,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,606 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 509 [2023-11-26 10:45:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:18,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:18,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:18,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:18,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:18,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:18,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:18,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:18,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (1/1) ... [2023-11-26 10:45:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:18,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:18,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:45:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:45:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:45:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 10:45:18,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 10:45:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 10:45:18,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 10:45:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 10:45:18,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 10:45:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 10:45:18,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 10:45:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:45:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:45:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:45:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:45:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:18,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:45:18,746 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 10:45:18,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:18,905 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:19,765 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:20,316 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:20,316 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 10:45:20,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:20 BoogieIcfgContainer [2023-11-26 10:45:20,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:20,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:45:20,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:45:20,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:45:20,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:45:18" (1/3) ... [2023-11-26 10:45:20,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acaca55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:20, skipping insertion in model container [2023-11-26 10:45:20,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:18" (2/3) ... [2023-11-26 10:45:20,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acaca55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:20, skipping insertion in model container [2023-11-26 10:45:20,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:20" (3/3) ... [2023-11-26 10:45:20,331 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2023-11-26 10:45:20,346 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:45:20,358 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:45:20,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2023-11-26 10:45:20,358 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:45:20,527 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-26 10:45:20,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 413 transitions, 854 flow [2023-11-26 10:45:20,849 INFO L124 PetriNetUnfolderBase]: 18/409 cut-off events. [2023-11-26 10:45:20,849 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 10:45:20,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 409 events. 18/409 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 509 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 342. Up to 3 conditions per place. [2023-11-26 10:45:20,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 408 places, 413 transitions, 854 flow [2023-11-26 10:45:20,879 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 384 transitions, 792 flow [2023-11-26 10:45:20,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:45:20,906 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=LoopHeads, 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;@287ebd55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:45:20,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-26 10:45:20,915 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:45:20,915 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-11-26 10:45:20,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:45:20,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:20,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:20,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:20,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1252794070, now seen corresponding path program 1 times [2023-11-26 10:45:20,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:20,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808360510] [2023-11-26 10:45:20,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:20,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:21,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808360510] [2023-11-26 10:45:21,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808360510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:21,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:21,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:21,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882598131] [2023-11-26 10:45:21,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:21,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:21,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:21,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:21,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2023-11-26 10:45:21,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 384 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:21,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:21,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2023-11-26 10:45:21,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:22,266 INFO L124 PetriNetUnfolderBase]: 752/1774 cut-off events. [2023-11-26 10:45:22,266 INFO L125 PetriNetUnfolderBase]: For 297/342 co-relation queries the response was YES. [2023-11-26 10:45:22,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3095 conditions, 1774 events. 752/1774 cut-off events. For 297/342 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10079 event pairs, 600 based on Foata normal form. 204/1814 useless extension candidates. Maximal degree in co-relation 2713. Up to 1053 conditions per place. [2023-11-26 10:45:22,296 INFO L140 encePairwiseOnDemand]: 351/413 looper letters, 26 selfloop transitions, 2 changer transitions 6/324 dead transitions. [2023-11-26 10:45:22,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 324 transitions, 728 flow [2023-11-26 10:45:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1054 transitions. [2023-11-26 10:45:22,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8506860371267151 [2023-11-26 10:45:22,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1054 transitions. [2023-11-26 10:45:22,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1054 transitions. [2023-11-26 10:45:22,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:22,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1054 transitions. [2023-11-26 10:45:22,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:22,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:22,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:22,351 INFO L175 Difference]: Start difference. First operand has 380 places, 384 transitions, 792 flow. Second operand 3 states and 1054 transitions. [2023-11-26 10:45:22,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 324 transitions, 728 flow [2023-11-26 10:45:22,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 324 transitions, 712 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-26 10:45:22,370 INFO L231 Difference]: Finished difference. Result has 325 places, 318 transitions, 648 flow [2023-11-26 10:45:22,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=325, PETRI_TRANSITIONS=318} [2023-11-26 10:45:22,378 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -55 predicate places. [2023-11-26 10:45:22,379 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 318 transitions, 648 flow [2023-11-26 10:45:22,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:22,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:22,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:22,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:45:22,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:22,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash 990706881, now seen corresponding path program 1 times [2023-11-26 10:45:22,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:22,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532592768] [2023-11-26 10:45:22,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:22,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:22,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:22,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532592768] [2023-11-26 10:45:22,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532592768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:22,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:22,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:22,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024616035] [2023-11-26 10:45:22,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:22,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:22,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:22,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2023-11-26 10:45:22,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 318 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 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) [2023-11-26 10:45:22,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:22,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2023-11-26 10:45:22,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:23,307 INFO L124 PetriNetUnfolderBase]: 923/2045 cut-off events. [2023-11-26 10:45:23,308 INFO L125 PetriNetUnfolderBase]: For 52/108 co-relation queries the response was YES. [2023-11-26 10:45:23,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3470 conditions, 2045 events. 923/2045 cut-off events. For 52/108 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 12011 event pairs, 743 based on Foata normal form. 0/1886 useless extension candidates. Maximal degree in co-relation 3432. Up to 1288 conditions per place. [2023-11-26 10:45:23,336 INFO L140 encePairwiseOnDemand]: 409/413 looper letters, 26 selfloop transitions, 1 changer transitions 0/315 dead transitions. [2023-11-26 10:45:23,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 315 transitions, 696 flow [2023-11-26 10:45:23,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2023-11-26 10:45:23,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8038740920096852 [2023-11-26 10:45:23,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2023-11-26 10:45:23,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2023-11-26 10:45:23,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:23,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2023-11-26 10:45:23,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:23,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:23,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:23,352 INFO L175 Difference]: Start difference. First operand has 325 places, 318 transitions, 648 flow. Second operand 3 states and 996 transitions. [2023-11-26 10:45:23,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 315 transitions, 696 flow [2023-11-26 10:45:23,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 315 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:23,367 INFO L231 Difference]: Finished difference. Result has 316 places, 315 transitions, 640 flow [2023-11-26 10:45:23,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2023-11-26 10:45:23,369 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2023-11-26 10:45:23,370 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 640 flow [2023-11-26 10:45:23,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 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) [2023-11-26 10:45:23,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:23,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:23,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:45:23,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:23,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:23,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1756356856, now seen corresponding path program 1 times [2023-11-26 10:45:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452048157] [2023-11-26 10:45:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:23,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:23,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452048157] [2023-11-26 10:45:23,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452048157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:23,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:23,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:23,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845096376] [2023-11-26 10:45:23,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:23,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:23,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:23,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:23,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:23,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 413 [2023-11-26 10:45:23,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:23,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:23,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 413 [2023-11-26 10:45:23,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:24,104 INFO L124 PetriNetUnfolderBase]: 678/1547 cut-off events. [2023-11-26 10:45:24,104 INFO L125 PetriNetUnfolderBase]: For 91/111 co-relation queries the response was YES. [2023-11-26 10:45:24,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 1547 events. 678/1547 cut-off events. For 91/111 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8121 event pairs, 457 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 2513. Up to 920 conditions per place. [2023-11-26 10:45:24,128 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2023-11-26 10:45:24,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 314 transitions, 690 flow [2023-11-26 10:45:24,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2023-11-26 10:45:24,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062953995157385 [2023-11-26 10:45:24,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:24,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,146 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,147 INFO L175 Difference]: Start difference. First operand has 316 places, 315 transitions, 640 flow. Second operand 3 states and 999 transitions. [2023-11-26 10:45:24,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 314 transitions, 690 flow [2023-11-26 10:45:24,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:24,157 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 641 flow [2023-11-26 10:45:24,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2023-11-26 10:45:24,160 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2023-11-26 10:45:24,160 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 641 flow [2023-11-26 10:45:24,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:24,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:24,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:45:24,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:24,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:24,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1955827258, now seen corresponding path program 1 times [2023-11-26 10:45:24,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:24,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673438932] [2023-11-26 10:45:24,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:24,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:24,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673438932] [2023-11-26 10:45:24,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673438932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:24,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:24,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:24,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712597263] [2023-11-26 10:45:24,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:24,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:24,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:24,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:24,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 413 [2023-11-26 10:45:24,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 314 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:24,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 413 [2023-11-26 10:45:24,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:24,773 INFO L124 PetriNetUnfolderBase]: 678/1546 cut-off events. [2023-11-26 10:45:24,773 INFO L125 PetriNetUnfolderBase]: For 91/111 co-relation queries the response was YES. [2023-11-26 10:45:24,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2552 conditions, 1546 events. 678/1546 cut-off events. For 91/111 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8127 event pairs, 457 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 2514. Up to 920 conditions per place. [2023-11-26 10:45:24,793 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2023-11-26 10:45:24,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 313 transitions, 691 flow [2023-11-26 10:45:24,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2023-11-26 10:45:24,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062953995157385 [2023-11-26 10:45:24,798 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:24,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2023-11-26 10:45:24,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,809 INFO L175 Difference]: Start difference. First operand has 316 places, 314 transitions, 641 flow. Second operand 3 states and 999 transitions. [2023-11-26 10:45:24,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 313 transitions, 691 flow [2023-11-26 10:45:24,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 313 transitions, 687 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:24,816 INFO L231 Difference]: Finished difference. Result has 315 places, 313 transitions, 639 flow [2023-11-26 10:45:24,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=315, PETRI_TRANSITIONS=313} [2023-11-26 10:45:24,818 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -65 predicate places. [2023-11-26 10:45:24,819 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 313 transitions, 639 flow [2023-11-26 10:45:24,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:24,820 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:24,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:45:24,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:24,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:24,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1558671499, now seen corresponding path program 1 times [2023-11-26 10:45:24,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:24,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910523779] [2023-11-26 10:45:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:24,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:24,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:24,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910523779] [2023-11-26 10:45:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910523779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:24,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348944985] [2023-11-26 10:45:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:24,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:24,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:24,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:24,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:24,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 413 [2023-11-26 10:45:24,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 313 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:24,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:24,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 413 [2023-11-26 10:45:24,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:25,355 INFO L124 PetriNetUnfolderBase]: 678/1545 cut-off events. [2023-11-26 10:45:25,355 INFO L125 PetriNetUnfolderBase]: For 91/111 co-relation queries the response was YES. [2023-11-26 10:45:25,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 1545 events. 678/1545 cut-off events. For 91/111 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8099 event pairs, 457 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 2513. Up to 920 conditions per place. [2023-11-26 10:45:25,372 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2023-11-26 10:45:25,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 689 flow [2023-11-26 10:45:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2023-11-26 10:45:25,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062953995157385 [2023-11-26 10:45:25,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:25,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,386 INFO L175 Difference]: Start difference. First operand has 315 places, 313 transitions, 639 flow. Second operand 3 states and 999 transitions. [2023-11-26 10:45:25,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 689 flow [2023-11-26 10:45:25,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:25,394 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 637 flow [2023-11-26 10:45:25,394 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2023-11-26 10:45:25,395 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -66 predicate places. [2023-11-26 10:45:25,395 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 637 flow [2023-11-26 10:45:25,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:25,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:25,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:45:25,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:25,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:25,398 INFO L85 PathProgramCache]: Analyzing trace with hash -123395227, now seen corresponding path program 1 times [2023-11-26 10:45:25,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:25,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634016528] [2023-11-26 10:45:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:25,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634016528] [2023-11-26 10:45:25,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634016528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:25,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:25,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:25,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331785019] [2023-11-26 10:45:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:25,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:25,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:25,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 413 [2023-11-26 10:45:25,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:25,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 413 [2023-11-26 10:45:25,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:25,870 INFO L124 PetriNetUnfolderBase]: 678/1544 cut-off events. [2023-11-26 10:45:25,871 INFO L125 PetriNetUnfolderBase]: For 91/111 co-relation queries the response was YES. [2023-11-26 10:45:25,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2550 conditions, 1544 events. 678/1544 cut-off events. For 91/111 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8084 event pairs, 457 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 2512. Up to 920 conditions per place. [2023-11-26 10:45:25,889 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2023-11-26 10:45:25,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 311 transitions, 687 flow [2023-11-26 10:45:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2023-11-26 10:45:25,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062953995157385 [2023-11-26 10:45:25,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:25,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2023-11-26 10:45:25,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,904 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,905 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 637 flow. Second operand 3 states and 999 transitions. [2023-11-26 10:45:25,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 311 transitions, 687 flow [2023-11-26 10:45:25,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:25,918 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 635 flow [2023-11-26 10:45:25,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=635, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2023-11-26 10:45:25,922 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:25,922 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 635 flow [2023-11-26 10:45:25,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:25,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:25,925 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:25,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:45:25,925 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:25,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash 326901473, now seen corresponding path program 1 times [2023-11-26 10:45:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:25,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124630198] [2023-11-26 10:45:25,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:26,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:26,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124630198] [2023-11-26 10:45:26,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124630198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:26,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:26,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:26,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314449914] [2023-11-26 10:45:26,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:26,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:26,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:26,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 413 [2023-11-26 10:45:26,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:26,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 413 [2023-11-26 10:45:26,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:26,501 INFO L124 PetriNetUnfolderBase]: 820/1897 cut-off events. [2023-11-26 10:45:26,501 INFO L125 PetriNetUnfolderBase]: For 118/138 co-relation queries the response was YES. [2023-11-26 10:45:26,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3116 conditions, 1897 events. 820/1897 cut-off events. For 118/138 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10651 event pairs, 163 based on Foata normal form. 1/1739 useless extension candidates. Maximal degree in co-relation 3079. Up to 781 conditions per place. [2023-11-26 10:45:26,524 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 35 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2023-11-26 10:45:26,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 324 transitions, 741 flow [2023-11-26 10:45:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2023-11-26 10:45:26,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2023-11-26 10:45:26,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2023-11-26 10:45:26,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2023-11-26 10:45:26,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:26,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2023-11-26 10:45:26,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,538 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 635 flow. Second operand 3 states and 1022 transitions. [2023-11-26 10:45:26,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 324 transitions, 741 flow [2023-11-26 10:45:26,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 324 transitions, 737 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:26,546 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 639 flow [2023-11-26 10:45:26,547 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2023-11-26 10:45:26,548 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:26,548 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 639 flow [2023-11-26 10:45:26,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:26,549 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:26,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:45:26,550 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:26,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1420735997, now seen corresponding path program 1 times [2023-11-26 10:45:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:26,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80075469] [2023-11-26 10:45:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:26,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:26,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80075469] [2023-11-26 10:45:26,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80075469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:26,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:26,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:26,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734866633] [2023-11-26 10:45:26,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:26,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:26,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:26,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:26,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:26,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 413 [2023-11-26 10:45:26,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:26,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:26,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 413 [2023-11-26 10:45:26,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:27,114 INFO L124 PetriNetUnfolderBase]: 821/1888 cut-off events. [2023-11-26 10:45:27,114 INFO L125 PetriNetUnfolderBase]: For 213/239 co-relation queries the response was YES. [2023-11-26 10:45:27,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3250 conditions, 1888 events. 821/1888 cut-off events. For 213/239 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10882 event pairs, 566 based on Foata normal form. 0/1728 useless extension candidates. Maximal degree in co-relation 3211. Up to 1120 conditions per place. [2023-11-26 10:45:27,136 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2023-11-26 10:45:27,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 310 transitions, 689 flow [2023-11-26 10:45:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2023-11-26 10:45:27,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.807909604519774 [2023-11-26 10:45:27,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1001 transitions. [2023-11-26 10:45:27,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1001 transitions. [2023-11-26 10:45:27,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:27,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1001 transitions. [2023-11-26 10:45:27,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:27,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:27,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:27,150 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 639 flow. Second operand 3 states and 1001 transitions. [2023-11-26 10:45:27,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 310 transitions, 689 flow [2023-11-26 10:45:27,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 310 transitions, 687 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:27,158 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 639 flow [2023-11-26 10:45:27,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2023-11-26 10:45:27,160 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:27,160 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 639 flow [2023-11-26 10:45:27,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:27,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:27,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:27,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:45:27,162 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:27,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:27,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1757868294, now seen corresponding path program 1 times [2023-11-26 10:45:27,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:27,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060263895] [2023-11-26 10:45:27,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:27,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:27,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:27,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060263895] [2023-11-26 10:45:27,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060263895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:27,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:27,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:27,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281618908] [2023-11-26 10:45:27,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:27,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:27,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 413 [2023-11-26 10:45:27,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:27,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:27,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 413 [2023-11-26 10:45:27,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:27,946 INFO L124 PetriNetUnfolderBase]: 1014/2633 cut-off events. [2023-11-26 10:45:27,947 INFO L125 PetriNetUnfolderBase]: For 268/289 co-relation queries the response was YES. [2023-11-26 10:45:27,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4258 conditions, 2633 events. 1014/2633 cut-off events. For 268/289 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 17195 event pairs, 296 based on Foata normal form. 0/2381 useless extension candidates. Maximal degree in co-relation 4220. Up to 866 conditions per place. [2023-11-26 10:45:27,981 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 37 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2023-11-26 10:45:27,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 324 transitions, 754 flow [2023-11-26 10:45:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2023-11-26 10:45:27,992 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2023-11-26 10:45:27,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2023-11-26 10:45:27,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2023-11-26 10:45:27,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:27,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2023-11-26 10:45:28,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,010 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 639 flow. Second operand 3 states and 1022 transitions. [2023-11-26 10:45:28,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 324 transitions, 754 flow [2023-11-26 10:45:28,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 324 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:28,021 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 643 flow [2023-11-26 10:45:28,022 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2023-11-26 10:45:28,022 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:28,023 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 643 flow [2023-11-26 10:45:28,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,024 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:28,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:28,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:45:28,025 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:28,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:28,025 INFO L85 PathProgramCache]: Analyzing trace with hash -594375590, now seen corresponding path program 1 times [2023-11-26 10:45:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737438411] [2023-11-26 10:45:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:28,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:28,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:28,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737438411] [2023-11-26 10:45:28,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737438411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:28,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:28,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:28,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420453748] [2023-11-26 10:45:28,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:28,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:28,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:28,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:28,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 413 [2023-11-26 10:45:28,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:28,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 413 [2023-11-26 10:45:28,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:28,735 INFO L124 PetriNetUnfolderBase]: 1015/2446 cut-off events. [2023-11-26 10:45:28,736 INFO L125 PetriNetUnfolderBase]: For 409/440 co-relation queries the response was YES. [2023-11-26 10:45:28,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4283 conditions, 2446 events. 1015/2446 cut-off events. For 409/440 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16182 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4243. Up to 1390 conditions per place. [2023-11-26 10:45:28,838 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 25 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2023-11-26 10:45:28,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 695 flow [2023-11-26 10:45:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2023-11-26 10:45:28,846 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.807909604519774 [2023-11-26 10:45:28,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1001 transitions. [2023-11-26 10:45:28,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1001 transitions. [2023-11-26 10:45:28,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:28,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1001 transitions. [2023-11-26 10:45:28,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,856 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 643 flow. Second operand 3 states and 1001 transitions. [2023-11-26 10:45:28,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 695 flow [2023-11-26 10:45:28,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 309 transitions, 693 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:28,865 INFO L231 Difference]: Finished difference. Result has 313 places, 309 transitions, 643 flow [2023-11-26 10:45:28,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=313, PETRI_TRANSITIONS=309} [2023-11-26 10:45:28,868 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:28,868 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 309 transitions, 643 flow [2023-11-26 10:45:28,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:28,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:28,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:45:28,870 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:28,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash 105056614, now seen corresponding path program 1 times [2023-11-26 10:45:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:28,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438878662] [2023-11-26 10:45:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:28,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:28,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438878662] [2023-11-26 10:45:28,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438878662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:28,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:28,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834317614] [2023-11-26 10:45:28,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:28,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:28,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:28,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:28,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:28,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 413 [2023-11-26 10:45:28,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 309 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:28,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:28,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 413 [2023-11-26 10:45:28,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:29,537 INFO L124 PetriNetUnfolderBase]: 1015/2445 cut-off events. [2023-11-26 10:45:29,537 INFO L125 PetriNetUnfolderBase]: For 408/439 co-relation queries the response was YES. [2023-11-26 10:45:29,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4218 conditions, 2445 events. 1015/2445 cut-off events. For 408/439 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16030 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4178. Up to 1394 conditions per place. [2023-11-26 10:45:29,566 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 26 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2023-11-26 10:45:29,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 308 transitions, 697 flow [2023-11-26 10:45:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2023-11-26 10:45:29,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062953995157385 [2023-11-26 10:45:29,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2023-11-26 10:45:29,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2023-11-26 10:45:29,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:29,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2023-11-26 10:45:29,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:29,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:29,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:29,598 INFO L175 Difference]: Start difference. First operand has 313 places, 309 transitions, 643 flow. Second operand 3 states and 999 transitions. [2023-11-26 10:45:29,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 308 transitions, 697 flow [2023-11-26 10:45:29,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:29,606 INFO L231 Difference]: Finished difference. Result has 312 places, 308 transitions, 641 flow [2023-11-26 10:45:29,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=312, PETRI_TRANSITIONS=308} [2023-11-26 10:45:29,607 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -68 predicate places. [2023-11-26 10:45:29,607 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 308 transitions, 641 flow [2023-11-26 10:45:29,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:29,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:29,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:29,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:45:29,609 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:29,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1288006316, now seen corresponding path program 1 times [2023-11-26 10:45:29,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853939949] [2023-11-26 10:45:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:29,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853939949] [2023-11-26 10:45:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853939949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:29,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:29,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226463631] [2023-11-26 10:45:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:29,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:29,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:29,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:29,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 413 [2023-11-26 10:45:29,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 308 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:29,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:29,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 413 [2023-11-26 10:45:29,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:30,209 INFO L124 PetriNetUnfolderBase]: 1015/2444 cut-off events. [2023-11-26 10:45:30,210 INFO L125 PetriNetUnfolderBase]: For 408/439 co-relation queries the response was YES. [2023-11-26 10:45:30,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 2444 events. 1015/2444 cut-off events. For 408/439 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16052 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4172. Up to 1388 conditions per place. [2023-11-26 10:45:30,237 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 24 selfloop transitions, 1 changer transitions 0/307 dead transitions. [2023-11-26 10:45:30,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 307 transitions, 689 flow [2023-11-26 10:45:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1008 transitions. [2023-11-26 10:45:30,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8135593220338984 [2023-11-26 10:45:30,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1008 transitions. [2023-11-26 10:45:30,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1008 transitions. [2023-11-26 10:45:30,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:30,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1008 transitions. [2023-11-26 10:45:30,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,250 INFO L175 Difference]: Start difference. First operand has 312 places, 308 transitions, 641 flow. Second operand 3 states and 1008 transitions. [2023-11-26 10:45:30,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 307 transitions, 689 flow [2023-11-26 10:45:30,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 307 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:30,258 INFO L231 Difference]: Finished difference. Result has 311 places, 307 transitions, 637 flow [2023-11-26 10:45:30,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=311, PETRI_TRANSITIONS=307} [2023-11-26 10:45:30,259 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -69 predicate places. [2023-11-26 10:45:30,259 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 307 transitions, 637 flow [2023-11-26 10:45:30,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:30,260 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:30,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:45:30,261 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:30,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:30,261 INFO L85 PathProgramCache]: Analyzing trace with hash -257764596, now seen corresponding path program 1 times [2023-11-26 10:45:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:30,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963053573] [2023-11-26 10:45:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:30,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:30,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963053573] [2023-11-26 10:45:30,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963053573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:30,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926006392] [2023-11-26 10:45:30,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:30,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:30,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:30,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:30,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 413 [2023-11-26 10:45:30,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 307 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:30,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 413 [2023-11-26 10:45:30,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:30,910 INFO L124 PetriNetUnfolderBase]: 1015/2443 cut-off events. [2023-11-26 10:45:30,910 INFO L125 PetriNetUnfolderBase]: For 408/439 co-relation queries the response was YES. [2023-11-26 10:45:30,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 2443 events. 1015/2443 cut-off events. For 408/439 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16049 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4171. Up to 1390 conditions per place. [2023-11-26 10:45:30,932 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 25 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2023-11-26 10:45:30,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 306 transitions, 689 flow [2023-11-26 10:45:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2023-11-26 10:45:30,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.807909604519774 [2023-11-26 10:45:30,937 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1001 transitions. [2023-11-26 10:45:30,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1001 transitions. [2023-11-26 10:45:30,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:30,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1001 transitions. [2023-11-26 10:45:30,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,945 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,945 INFO L175 Difference]: Start difference. First operand has 311 places, 307 transitions, 637 flow. Second operand 3 states and 1001 transitions. [2023-11-26 10:45:30,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 306 transitions, 689 flow [2023-11-26 10:45:30,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 306 transitions, 688 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:30,952 INFO L231 Difference]: Finished difference. Result has 311 places, 306 transitions, 638 flow [2023-11-26 10:45:30,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=311, PETRI_TRANSITIONS=306} [2023-11-26 10:45:30,954 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -69 predicate places. [2023-11-26 10:45:30,954 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 306 transitions, 638 flow [2023-11-26 10:45:30,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:30,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:30,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:30,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 10:45:30,955 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:30,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:30,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1748398407, now seen corresponding path program 1 times [2023-11-26 10:45:30,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:30,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918353529] [2023-11-26 10:45:30,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:31,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:31,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918353529] [2023-11-26 10:45:31,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918353529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:31,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:31,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:31,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267089135] [2023-11-26 10:45:31,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:31,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:31,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:31,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:31,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:31,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 413 [2023-11-26 10:45:32,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 306 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 289.5) internal successors, (1737), 6 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:32,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:32,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 413 [2023-11-26 10:45:32,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:34,343 INFO L124 PetriNetUnfolderBase]: 4272/7617 cut-off events. [2023-11-26 10:45:34,343 INFO L125 PetriNetUnfolderBase]: For 1144/1144 co-relation queries the response was YES. [2023-11-26 10:45:34,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14472 conditions, 7617 events. 4272/7617 cut-off events. For 1144/1144 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 51762 event pairs, 3367 based on Foata normal form. 0/7131 useless extension candidates. Maximal degree in co-relation 14433. Up to 5731 conditions per place. [2023-11-26 10:45:34,420 INFO L140 encePairwiseOnDemand]: 401/413 looper letters, 54 selfloop transitions, 10 changer transitions 0/304 dead transitions. [2023-11-26 10:45:34,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 304 transitions, 762 flow [2023-11-26 10:45:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:45:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1792 transitions. [2023-11-26 10:45:34,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7231638418079096 [2023-11-26 10:45:34,427 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1792 transitions. [2023-11-26 10:45:34,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1792 transitions. [2023-11-26 10:45:34,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:34,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1792 transitions. [2023-11-26 10:45:34,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 298.6666666666667) internal successors, (1792), 6 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:34,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:34,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:34,442 INFO L175 Difference]: Start difference. First operand has 311 places, 306 transitions, 638 flow. Second operand 6 states and 1792 transitions. [2023-11-26 10:45:34,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 304 transitions, 762 flow [2023-11-26 10:45:34,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 304 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:34,449 INFO L231 Difference]: Finished difference. Result has 312 places, 304 transitions, 650 flow [2023-11-26 10:45:34,450 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=650, PETRI_PLACES=312, PETRI_TRANSITIONS=304} [2023-11-26 10:45:34,451 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -68 predicate places. [2023-11-26 10:45:34,451 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 304 transitions, 650 flow [2023-11-26 10:45:34,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 289.5) internal successors, (1737), 6 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:34,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:34,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:34,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:45:34,453 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:34,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1885346884, now seen corresponding path program 1 times [2023-11-26 10:45:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:34,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313669619] [2023-11-26 10:45:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:34,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:34,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:34,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313669619] [2023-11-26 10:45:34,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313669619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:34,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:34,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:34,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045224964] [2023-11-26 10:45:34,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:34,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:34,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:34,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:34,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 413 [2023-11-26 10:45:34,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 304 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:34,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:34,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 413 [2023-11-26 10:45:34,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:35,245 INFO L124 PetriNetUnfolderBase]: 1015/2440 cut-off events. [2023-11-26 10:45:35,245 INFO L125 PetriNetUnfolderBase]: For 408/439 co-relation queries the response was YES. [2023-11-26 10:45:35,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4216 conditions, 2440 events. 1015/2440 cut-off events. For 408/439 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16006 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4181. Up to 1388 conditions per place. [2023-11-26 10:45:35,267 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 24 selfloop transitions, 1 changer transitions 0/303 dead transitions. [2023-11-26 10:45:35,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 303 transitions, 698 flow [2023-11-26 10:45:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1008 transitions. [2023-11-26 10:45:35,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8135593220338984 [2023-11-26 10:45:35,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1008 transitions. [2023-11-26 10:45:35,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1008 transitions. [2023-11-26 10:45:35,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:35,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1008 transitions. [2023-11-26 10:45:35,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:35,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:35,279 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:35,279 INFO L175 Difference]: Start difference. First operand has 312 places, 304 transitions, 650 flow. Second operand 3 states and 1008 transitions. [2023-11-26 10:45:35,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 303 transitions, 698 flow [2023-11-26 10:45:35,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 303 transitions, 678 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 10:45:35,286 INFO L231 Difference]: Finished difference. Result has 308 places, 303 transitions, 630 flow [2023-11-26 10:45:35,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=308, PETRI_TRANSITIONS=303} [2023-11-26 10:45:35,288 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -72 predicate places. [2023-11-26 10:45:35,288 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 303 transitions, 630 flow [2023-11-26 10:45:35,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:35,289 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:35,289 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:35,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 10:45:35,289 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:35,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:35,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1904466150, now seen corresponding path program 1 times [2023-11-26 10:45:35,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:35,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595736151] [2023-11-26 10:45:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:35,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:35,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:35,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595736151] [2023-11-26 10:45:35,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595736151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:35,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446061969] [2023-11-26 10:45:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:35,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:35,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 413 [2023-11-26 10:45:35,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 303 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:35,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:35,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 413 [2023-11-26 10:45:35,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:36,040 INFO L124 PetriNetUnfolderBase]: 1015/2439 cut-off events. [2023-11-26 10:45:36,040 INFO L125 PetriNetUnfolderBase]: For 408/439 co-relation queries the response was YES. [2023-11-26 10:45:36,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4208 conditions, 2439 events. 1015/2439 cut-off events. For 408/439 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 16062 event pairs, 719 based on Foata normal form. 0/2220 useless extension candidates. Maximal degree in co-relation 4168. Up to 1390 conditions per place. [2023-11-26 10:45:36,062 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 25 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2023-11-26 10:45:36,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 302 transitions, 682 flow [2023-11-26 10:45:36,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2023-11-26 10:45:36,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.807909604519774 [2023-11-26 10:45:36,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1001 transitions. [2023-11-26 10:45:36,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1001 transitions. [2023-11-26 10:45:36,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:36,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1001 transitions. [2023-11-26 10:45:36,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:36,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:36,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:36,076 INFO L175 Difference]: Start difference. First operand has 308 places, 303 transitions, 630 flow. Second operand 3 states and 1001 transitions. [2023-11-26 10:45:36,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 302 transitions, 682 flow [2023-11-26 10:45:36,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 302 transitions, 681 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:36,083 INFO L231 Difference]: Finished difference. Result has 308 places, 302 transitions, 631 flow [2023-11-26 10:45:36,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=308, PETRI_TRANSITIONS=302} [2023-11-26 10:45:36,084 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -72 predicate places. [2023-11-26 10:45:36,085 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 302 transitions, 631 flow [2023-11-26 10:45:36,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:36,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:36,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:36,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 10:45:36,086 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:36,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:36,086 INFO L85 PathProgramCache]: Analyzing trace with hash -67392231, now seen corresponding path program 1 times [2023-11-26 10:45:36,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:36,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266645565] [2023-11-26 10:45:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:36,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:36,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266645565] [2023-11-26 10:45:36,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266645565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:36,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:36,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:36,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692660394] [2023-11-26 10:45:36,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:36,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:36,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:36,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:36,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:37,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 413 [2023-11-26 10:45:37,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 302 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:37,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:37,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 413 [2023-11-26 10:45:37,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:38,943 INFO L124 PetriNetUnfolderBase]: 4165/6971 cut-off events. [2023-11-26 10:45:38,943 INFO L125 PetriNetUnfolderBase]: For 948/948 co-relation queries the response was YES. [2023-11-26 10:45:38,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13457 conditions, 6971 events. 4165/6971 cut-off events. For 948/948 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 42602 event pairs, 561 based on Foata normal form. 0/6718 useless extension candidates. Maximal degree in co-relation 13416. Up to 1956 conditions per place. [2023-11-26 10:45:39,016 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 89 selfloop transitions, 4 changer transitions 0/357 dead transitions. [2023-11-26 10:45:39,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 357 transitions, 959 flow [2023-11-26 10:45:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:45:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1968 transitions. [2023-11-26 10:45:39,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7941888619854721 [2023-11-26 10:45:39,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1968 transitions. [2023-11-26 10:45:39,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1968 transitions. [2023-11-26 10:45:39,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:39,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1968 transitions. [2023-11-26 10:45:39,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 328.0) internal successors, (1968), 6 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:39,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:39,041 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:39,041 INFO L175 Difference]: Start difference. First operand has 308 places, 302 transitions, 631 flow. Second operand 6 states and 1968 transitions. [2023-11-26 10:45:39,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 357 transitions, 959 flow [2023-11-26 10:45:39,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 357 transitions, 955 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:45:39,051 INFO L231 Difference]: Finished difference. Result has 310 places, 301 transitions, 633 flow [2023-11-26 10:45:39,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=633, PETRI_PLACES=310, PETRI_TRANSITIONS=301} [2023-11-26 10:45:39,052 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -70 predicate places. [2023-11-26 10:45:39,053 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 301 transitions, 633 flow [2023-11-26 10:45:39,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:39,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:39,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:39,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 10:45:39,054 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:39,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:39,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1815282735, now seen corresponding path program 1 times [2023-11-26 10:45:39,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:39,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592942315] [2023-11-26 10:45:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:40,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:40,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592942315] [2023-11-26 10:45:40,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592942315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:40,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:40,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:40,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341816700] [2023-11-26 10:45:40,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:40,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:40,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:40,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:40,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:40,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 413 [2023-11-26 10:45:40,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 301 transitions, 633 flow. Second operand has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:40,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:40,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 413 [2023-11-26 10:45:40,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:41,342 INFO L124 PetriNetUnfolderBase]: 1765/3614 cut-off events. [2023-11-26 10:45:41,342 INFO L125 PetriNetUnfolderBase]: For 608/611 co-relation queries the response was YES. [2023-11-26 10:45:41,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6662 conditions, 3614 events. 1765/3614 cut-off events. For 608/611 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 21873 event pairs, 689 based on Foata normal form. 0/3385 useless extension candidates. Maximal degree in co-relation 6621. Up to 1331 conditions per place. [2023-11-26 10:45:41,378 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 81 selfloop transitions, 4 changer transitions 0/348 dead transitions. [2023-11-26 10:45:41,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 348 transitions, 929 flow [2023-11-26 10:45:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:45:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1960 transitions. [2023-11-26 10:45:41,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7909604519774012 [2023-11-26 10:45:41,385 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1960 transitions. [2023-11-26 10:45:41,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1960 transitions. [2023-11-26 10:45:41,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:41,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1960 transitions. [2023-11-26 10:45:41,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 326.6666666666667) internal successors, (1960), 6 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:41,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:41,399 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:41,399 INFO L175 Difference]: Start difference. First operand has 310 places, 301 transitions, 633 flow. Second operand 6 states and 1960 transitions. [2023-11-26 10:45:41,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 348 transitions, 929 flow [2023-11-26 10:45:41,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 348 transitions, 922 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:45:41,407 INFO L231 Difference]: Finished difference. Result has 310 places, 300 transitions, 632 flow [2023-11-26 10:45:41,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=632, PETRI_PLACES=310, PETRI_TRANSITIONS=300} [2023-11-26 10:45:41,408 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -70 predicate places. [2023-11-26 10:45:41,408 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 300 transitions, 632 flow [2023-11-26 10:45:41,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:41,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:41,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:41,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 10:45:41,409 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:41,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1607193781, now seen corresponding path program 1 times [2023-11-26 10:45:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415727516] [2023-11-26 10:45:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:41,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:41,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415727516] [2023-11-26 10:45:41,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415727516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:41,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:41,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:45:41,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391438138] [2023-11-26 10:45:41,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:41,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:45:41,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:41,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:45:41,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:45:41,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 413 [2023-11-26 10:45:41,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 300 transitions, 632 flow. Second operand has 4 states, 4 states have (on average 331.5) internal successors, (1326), 4 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:41,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:41,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 413 [2023-11-26 10:45:41,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:42,488 INFO L124 PetriNetUnfolderBase]: 1303/3175 cut-off events. [2023-11-26 10:45:42,489 INFO L125 PetriNetUnfolderBase]: For 556/586 co-relation queries the response was YES. [2023-11-26 10:45:42,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5616 conditions, 3175 events. 1303/3175 cut-off events. For 556/586 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 21881 event pairs, 288 based on Foata normal form. 116/3098 useless extension candidates. Maximal degree in co-relation 5576. Up to 708 conditions per place. [2023-11-26 10:45:42,520 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 58 selfloop transitions, 5 changer transitions 0/338 dead transitions. [2023-11-26 10:45:42,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 338 transitions, 859 flow [2023-11-26 10:45:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:45:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 10:45:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1703 transitions. [2023-11-26 10:45:42,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8246973365617434 [2023-11-26 10:45:42,527 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1703 transitions. [2023-11-26 10:45:42,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1703 transitions. [2023-11-26 10:45:42,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:42,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1703 transitions. [2023-11-26 10:45:42,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 340.6) internal successors, (1703), 5 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:42,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:42,539 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:42,539 INFO L175 Difference]: Start difference. First operand has 310 places, 300 transitions, 632 flow. Second operand 5 states and 1703 transitions. [2023-11-26 10:45:42,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 338 transitions, 859 flow [2023-11-26 10:45:42,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 338 transitions, 852 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:45:42,549 INFO L231 Difference]: Finished difference. Result has 313 places, 303 transitions, 656 flow [2023-11-26 10:45:42,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=656, PETRI_PLACES=313, PETRI_TRANSITIONS=303} [2023-11-26 10:45:42,550 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2023-11-26 10:45:42,550 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 303 transitions, 656 flow [2023-11-26 10:45:42,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 331.5) internal successors, (1326), 4 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:42,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:42,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:42,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 10:45:42,551 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:42,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1391972033, now seen corresponding path program 1 times [2023-11-26 10:45:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:42,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630481768] [2023-11-26 10:45:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:43,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:43,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630481768] [2023-11-26 10:45:43,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630481768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:43,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:43,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:43,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828276616] [2023-11-26 10:45:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:43,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:43,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:43,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:43,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 413 [2023-11-26 10:45:43,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 303 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 316.5) internal successors, (1899), 6 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:43,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:43,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 413 [2023-11-26 10:45:43,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:44,619 INFO L124 PetriNetUnfolderBase]: 1266/2860 cut-off events. [2023-11-26 10:45:44,620 INFO L125 PetriNetUnfolderBase]: For 1011/1014 co-relation queries the response was YES. [2023-11-26 10:45:44,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5637 conditions, 2860 events. 1266/2860 cut-off events. For 1011/1014 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 19169 event pairs, 812 based on Foata normal form. 0/2718 useless extension candidates. Maximal degree in co-relation 5593. Up to 1676 conditions per place. [2023-11-26 10:45:44,643 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 56 selfloop transitions, 4 changer transitions 0/322 dead transitions. [2023-11-26 10:45:44,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 322 transitions, 830 flow [2023-11-26 10:45:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:45:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1936 transitions. [2023-11-26 10:45:44,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7812752219531881 [2023-11-26 10:45:44,652 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1936 transitions. [2023-11-26 10:45:44,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1936 transitions. [2023-11-26 10:45:44,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:44,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1936 transitions. [2023-11-26 10:45:44,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:44,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:44,667 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:44,668 INFO L175 Difference]: Start difference. First operand has 313 places, 303 transitions, 656 flow. Second operand 6 states and 1936 transitions. [2023-11-26 10:45:44,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 322 transitions, 830 flow [2023-11-26 10:45:44,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 322 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:44,679 INFO L231 Difference]: Finished difference. Result has 316 places, 302 transitions, 659 flow [2023-11-26 10:45:44,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=659, PETRI_PLACES=316, PETRI_TRANSITIONS=302} [2023-11-26 10:45:44,680 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2023-11-26 10:45:44,680 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 302 transitions, 659 flow [2023-11-26 10:45:44,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.5) internal successors, (1899), 6 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:44,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:44,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:44,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 10:45:44,682 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:44,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:44,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1446829275, now seen corresponding path program 1 times [2023-11-26 10:45:44,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:44,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649126456] [2023-11-26 10:45:44,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:44,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:44,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649126456] [2023-11-26 10:45:44,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649126456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:44,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:44,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:45:44,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536695229] [2023-11-26 10:45:44,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:44,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:45:44,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:44,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:45:44,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:45:45,008 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 413 [2023-11-26 10:45:45,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 302 transitions, 659 flow. Second operand has 4 states, 4 states have (on average 332.25) internal successors, (1329), 4 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:45,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:45,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 413 [2023-11-26 10:45:45,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:45,919 INFO L124 PetriNetUnfolderBase]: 1819/4227 cut-off events. [2023-11-26 10:45:45,919 INFO L125 PetriNetUnfolderBase]: For 1379/1415 co-relation queries the response was YES. [2023-11-26 10:45:45,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8174 conditions, 4227 events. 1819/4227 cut-off events. For 1379/1415 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 32179 event pairs, 269 based on Foata normal form. 178/4251 useless extension candidates. Maximal degree in co-relation 8131. Up to 1109 conditions per place. [2023-11-26 10:45:45,958 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 61 selfloop transitions, 7 changer transitions 0/342 dead transitions. [2023-11-26 10:45:45,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 342 transitions, 920 flow [2023-11-26 10:45:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:45:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 10:45:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1704 transitions. [2023-11-26 10:45:45,964 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.825181598062954 [2023-11-26 10:45:45,964 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1704 transitions. [2023-11-26 10:45:45,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1704 transitions. [2023-11-26 10:45:45,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:45,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1704 transitions. [2023-11-26 10:45:45,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 340.8) internal successors, (1704), 5 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:45,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:45,977 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:45,977 INFO L175 Difference]: Start difference. First operand has 316 places, 302 transitions, 659 flow. Second operand 5 states and 1704 transitions. [2023-11-26 10:45:45,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 342 transitions, 920 flow [2023-11-26 10:45:45,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 342 transitions, 913 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:45:45,988 INFO L231 Difference]: Finished difference. Result has 319 places, 306 transitions, 698 flow [2023-11-26 10:45:45,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=698, PETRI_PLACES=319, PETRI_TRANSITIONS=306} [2023-11-26 10:45:45,989 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -61 predicate places. [2023-11-26 10:45:45,989 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 306 transitions, 698 flow [2023-11-26 10:45:45,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 332.25) internal successors, (1329), 4 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:45,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:45,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:45,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 10:45:45,991 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:45,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:45,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1002051563, now seen corresponding path program 2 times [2023-11-26 10:45:45,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:45,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402342023] [2023-11-26 10:45:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:45,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:47,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402342023] [2023-11-26 10:45:47,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402342023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:47,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:45:47,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444141649] [2023-11-26 10:45:47,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:47,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:45:47,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:47,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:45:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:45:47,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 413 [2023-11-26 10:45:47,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 306 transitions, 698 flow. Second operand has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:47,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:47,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 413 [2023-11-26 10:45:47,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:48,229 INFO L124 PetriNetUnfolderBase]: 1620/3614 cut-off events. [2023-11-26 10:45:48,229 INFO L125 PetriNetUnfolderBase]: For 2015/2019 co-relation queries the response was YES. [2023-11-26 10:45:48,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7800 conditions, 3614 events. 1620/3614 cut-off events. For 2015/2019 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 25958 event pairs, 988 based on Foata normal form. 0/3543 useless extension candidates. Maximal degree in co-relation 7753. Up to 2268 conditions per place. [2023-11-26 10:45:48,260 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 40 selfloop transitions, 4 changer transitions 0/305 dead transitions. [2023-11-26 10:45:48,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 305 transitions, 784 flow [2023-11-26 10:45:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:45:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:45:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1920 transitions. [2023-11-26 10:45:48,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.774818401937046 [2023-11-26 10:45:48,267 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1920 transitions. [2023-11-26 10:45:48,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1920 transitions. [2023-11-26 10:45:48,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:48,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1920 transitions. [2023-11-26 10:45:48,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:48,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:48,279 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:48,279 INFO L175 Difference]: Start difference. First operand has 319 places, 306 transitions, 698 flow. Second operand 6 states and 1920 transitions. [2023-11-26 10:45:48,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 305 transitions, 784 flow [2023-11-26 10:45:48,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 305 transitions, 780 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:45:48,289 INFO L231 Difference]: Finished difference. Result has 322 places, 305 transitions, 700 flow [2023-11-26 10:45:48,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=700, PETRI_PLACES=322, PETRI_TRANSITIONS=305} [2023-11-26 10:45:48,290 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -58 predicate places. [2023-11-26 10:45:48,291 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 305 transitions, 700 flow [2023-11-26 10:45:48,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:48,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:48,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:48,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 10:45:48,292 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-26 10:45:48,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:48,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1044471626, now seen corresponding path program 1 times [2023-11-26 10:45:48,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:48,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782547891] [2023-11-26 10:45:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:48,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:48,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:48,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782547891] [2023-11-26 10:45:48,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782547891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:48,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:48,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:48,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80090242] [2023-11-26 10:45:48,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:48,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:48,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:48,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:48,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 413 [2023-11-26 10:45:48,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 305 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 332.6666666666667) internal successors, (998), 3 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:48,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:48,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 413 [2023-11-26 10:45:48,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:49,434 INFO L124 PetriNetUnfolderBase]: 1827/4366 cut-off events. [2023-11-26 10:45:49,434 INFO L125 PetriNetUnfolderBase]: For 2188/2193 co-relation queries the response was YES. [2023-11-26 10:45:49,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8916 conditions, 4366 events. 1827/4366 cut-off events. For 2188/2193 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 34291 event pairs, 534 based on Foata normal form. 4/4214 useless extension candidates. Maximal degree in co-relation 8871. Up to 2171 conditions per place. [2023-11-26 10:45:49,465 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 0 selfloop transitions, 0 changer transitions 324/324 dead transitions. [2023-11-26 10:45:49,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 324 transitions, 872 flow [2023-11-26 10:45:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2023-11-26 10:45:49,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8256658595641646 [2023-11-26 10:45:49,469 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2023-11-26 10:45:49,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2023-11-26 10:45:49,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:49,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2023-11-26 10:45:49,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.0) internal successors, (1023), 3 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:49,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:49,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:49,479 INFO L175 Difference]: Start difference. First operand has 322 places, 305 transitions, 700 flow. Second operand 3 states and 1023 transitions. [2023-11-26 10:45:49,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 324 transitions, 872 flow [2023-11-26 10:45:49,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 324 transitions, 865 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:45:49,490 INFO L231 Difference]: Finished difference. Result has 319 places, 0 transitions, 0 flow [2023-11-26 10:45:49,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=319, PETRI_TRANSITIONS=0} [2023-11-26 10:45:49,491 INFO L281 CegarLoopForPetriNet]: 380 programPoint places, -61 predicate places. [2023-11-26 10:45:49,491 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 0 transitions, 0 flow [2023-11-26 10:45:49,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.6666666666667) internal successors, (998), 3 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:49,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2023-11-26 10:45:49,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2023-11-26 10:45:49,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2023-11-26 10:45:49,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2023-11-26 10:45:49,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2023-11-26 10:45:49,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2023-11-26 10:45:49,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2023-11-26 10:45:49,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2023-11-26 10:45:49,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2023-11-26 10:45:49,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2023-11-26 10:45:49,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2023-11-26 10:45:49,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2023-11-26 10:45:49,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2023-11-26 10:45:49,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2023-11-26 10:45:49,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2023-11-26 10:45:49,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2023-11-26 10:45:49,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2023-11-26 10:45:49,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2023-11-26 10:45:49,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2023-11-26 10:45:49,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2023-11-26 10:45:49,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2023-11-26 10:45:49,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2023-11-26 10:45:49,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2023-11-26 10:45:49,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2023-11-26 10:45:49,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2023-11-26 10:45:49,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2023-11-26 10:45:49,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2023-11-26 10:45:49,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2023-11-26 10:45:49,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2023-11-26 10:45:49,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2023-11-26 10:45:49,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2023-11-26 10:45:49,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2023-11-26 10:45:49,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2023-11-26 10:45:49,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2023-11-26 10:45:49,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2023-11-26 10:45:49,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2023-11-26 10:45:49,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2023-11-26 10:45:49,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2023-11-26 10:45:49,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2023-11-26 10:45:49,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2023-11-26 10:45:49,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2023-11-26 10:45:49,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2023-11-26 10:45:49,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2023-11-26 10:45:49,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2023-11-26 10:45:49,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2023-11-26 10:45:49,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2023-11-26 10:45:49,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2023-11-26 10:45:49,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2023-11-26 10:45:49,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2023-11-26 10:45:49,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2023-11-26 10:45:49,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2023-11-26 10:45:49,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2023-11-26 10:45:49,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2023-11-26 10:45:49,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2023-11-26 10:45:49,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2023-11-26 10:45:49,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2023-11-26 10:45:49,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2023-11-26 10:45:49,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2023-11-26 10:45:49,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2023-11-26 10:45:49,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2023-11-26 10:45:49,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2023-11-26 10:45:49,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2023-11-26 10:45:49,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2023-11-26 10:45:49,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2023-11-26 10:45:49,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2023-11-26 10:45:49,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 10:45:49,518 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:49,525 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:45:49,525 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:45:49,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:45:49 BasicIcfg [2023-11-26 10:45:49,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:45:49,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:45:49,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:45:49,533 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:45:49,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:20" (3/4) ... [2023-11-26 10:45:49,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:45:49,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 10:45:49,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 10:45:49,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 10:45:49,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-26 10:45:49,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-26 10:45:49,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:45:49,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:45:49,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:45:49,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:45:49,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:45:49,669 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:45:49,669 INFO L158 Benchmark]: Toolchain (without parser) took 31535.23ms. Allocated memory was 165.7MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 136.0MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 571.3MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,670 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 152.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:49,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 121.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.65ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 117.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,671 INFO L158 Benchmark]: Boogie Preprocessor took 62.43ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 114.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,672 INFO L158 Benchmark]: RCFGBuilder took 1648.74ms. Allocated memory is still 165.7MB. Free memory was 114.3MB in the beginning and 85.3MB in the end (delta: 29.1MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,672 INFO L158 Benchmark]: TraceAbstraction took 29210.06ms. Allocated memory was 165.7MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 84.9MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-26 10:45:49,672 INFO L158 Benchmark]: Witness Printer took 136.10ms. Allocated memory is still 5.5GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:45:49,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 82.2MB in the beginning and 82.0MB in the end (delta: 152.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 121.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.65ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 117.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.43ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 114.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1648.74ms. Allocated memory is still 165.7MB. Free memory was 114.3MB in the beginning and 85.3MB in the end (delta: 29.1MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29210.06ms. Allocated memory was 165.7MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 84.9MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 136.10ms. Allocated memory is still 5.5GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 490 locations, 125 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 28.9s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1054 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 602 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2511 IncrementalHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 103 mSDtfsCounter, 2511 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=792occurred in iteration=0, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2928 NumberOfCodeBlocks, 2928 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2905 ConstructedInterpolants, 0 QuantifiedInterpolants, 3868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:45:49,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b387ac-c524-4652-baf2-42dbf7f2bf6d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE