./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya --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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:32:47,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:32:47,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:32:47,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:32:47,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:32:47,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:32:47,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:32:47,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:32:47,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:32:47,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:32:47,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:32:47,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:32:47,803 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:32:47,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:32:47,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:32:47,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:32:47,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:32:47,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:32:47,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:32:47,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:32:47,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:32:47,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:32:47,808 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:32:47,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:32:47,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:32:47,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:32:47,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:32:47,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:32:47,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:32:47,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:32:47,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:32:47,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:32:47,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:32:47,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:32:47,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:32:47,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:32:47,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:32:47,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:32:47,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:32:47,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:32:47,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:32:47,814 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_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2023-11-29 02:32:48,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:32:48,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:32:48,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:32:48,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:32:48,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:32:48,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-29 02:32:50,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:32:50,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:32:50,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-29 02:32:50,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/data/ad6d1b661/d9f5908ea3f5499b884137ec7e41a1de/FLAGad4f68f9f [2023-11-29 02:32:50,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/data/ad6d1b661/d9f5908ea3f5499b884137ec7e41a1de [2023-11-29 02:32:50,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:32:50,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:32:50,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:32:50,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:32:50,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:32:50,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:32:50" (1/1) ... [2023-11-29 02:32:50,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c141cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:50, skipping insertion in model container [2023-11-29 02:32:50,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:32:50" (1/1) ... [2023-11-29 02:32:51,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:32:51,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:32:51,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:32:51,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:32:51,248 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:32:51,248 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:32:51,256 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:32:51,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51 WrapperNode [2023-11-29 02:32:51,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:32:51,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:32:51,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:32:51,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:32:51,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,308 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 247 [2023-11-29 02:32:51,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:32:51,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:32:51,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:32:51,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:32:51,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:32:51,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:32:51,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:32:51,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:32:51,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (1/1) ... [2023-11-29 02:32:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:32:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:32:51,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:32:51,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:32:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:32:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:32:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:32:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:32:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:32:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:32:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:32:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:32:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:32:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:32:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:32:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:32:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:32:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:32:51,420 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:32:51,526 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:32:51,528 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:32:51,907 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:32:52,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:32:52,248 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:32:52,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:52 BoogieIcfgContainer [2023-11-29 02:32:52,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:32:52,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:32:52,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:32:52,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:32:52,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:32:50" (1/3) ... [2023-11-29 02:32:52,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363d9d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:52, skipping insertion in model container [2023-11-29 02:32:52,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:32:51" (2/3) ... [2023-11-29 02:32:52,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363d9d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:32:52, skipping insertion in model container [2023-11-29 02:32:52,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:52" (3/3) ... [2023-11-29 02:32:52,260 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-11-29 02:32:52,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:32:52,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:32:52,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-29 02:32:52,282 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:32:52,354 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 02:32:52,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 168 transitions, 350 flow [2023-11-29 02:32:52,458 INFO L124 PetriNetUnfolderBase]: 3/166 cut-off events. [2023-11-29 02:32:52,458 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 02:32:52,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 166 events. 3/166 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 121 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2023-11-29 02:32:52,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 172 places, 168 transitions, 350 flow [2023-11-29 02:32:52,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 140 transitions, 292 flow [2023-11-29 02:32:52,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:32:52,486 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;@154ff34e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:32:52,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-11-29 02:32:52,492 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:32:52,492 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 02:32:52,492 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:32:52,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:52,493 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] [2023-11-29 02:32:52,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:52,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:52,499 INFO L85 PathProgramCache]: Analyzing trace with hash -887577390, now seen corresponding path program 1 times [2023-11-29 02:32:52,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:52,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121909054] [2023-11-29 02:32:52,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:52,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121909054] [2023-11-29 02:32:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121909054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:52,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:52,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:52,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434046263] [2023-11-29 02:32:52,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:52,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:52,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:52,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:52,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 140 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:52,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:52,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:52,816 INFO L124 PetriNetUnfolderBase]: 4/141 cut-off events. [2023-11-29 02:32:52,816 INFO L125 PetriNetUnfolderBase]: For 14/20 co-relation queries the response was YES. [2023-11-29 02:32:52,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 141 events. 4/141 cut-off events. For 14/20 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 49. Up to 16 conditions per place. [2023-11-29 02:32:52,819 INFO L140 encePairwiseOnDemand]: 149/168 looper letters, 9 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2023-11-29 02:32:52,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 123 transitions, 280 flow [2023-11-29 02:32:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2023-11-29 02:32:52,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.871031746031746 [2023-11-29 02:32:52,836 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 439 transitions. [2023-11-29 02:32:52,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 439 transitions. [2023-11-29 02:32:52,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:52,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 439 transitions. [2023-11-29 02:32:52,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,854 INFO L175 Difference]: Start difference. First operand has 146 places, 140 transitions, 292 flow. Second operand 3 states and 439 transitions. [2023-11-29 02:32:52,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 123 transitions, 280 flow [2023-11-29 02:32:52,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 123 transitions, 272 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:52,862 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 254 flow [2023-11-29 02:32:52,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2023-11-29 02:32:52,868 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -19 predicate places. [2023-11-29 02:32:52,869 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 254 flow [2023-11-29 02:32:52,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:52,870 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] [2023-11-29 02:32:52,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:32:52,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:52,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:52,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1269949550, now seen corresponding path program 1 times [2023-11-29 02:32:52,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:52,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846978094] [2023-11-29 02:32:52,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:52,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:52,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:52,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846978094] [2023-11-29 02:32:52,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846978094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:52,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:52,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:52,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586809358] [2023-11-29 02:32:52,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:52,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:52,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:52,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:52,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:52,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:52,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:52,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:52,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:52,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:52,992 INFO L124 PetriNetUnfolderBase]: 4/140 cut-off events. [2023-11-29 02:32:52,993 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:52,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 140 events. 4/140 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 135. Up to 16 conditions per place. [2023-11-29 02:32:52,994 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 9 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2023-11-29 02:32:52,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 274 flow [2023-11-29 02:32:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-29 02:32:52,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2023-11-29 02:32:52,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-29 02:32:52,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-29 02:32:52,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:52,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,004 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 254 flow. Second operand 3 states and 423 transitions. [2023-11-29 02:32:53,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 274 flow [2023-11-29 02:32:53,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 122 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:53,009 INFO L231 Difference]: Finished difference. Result has 126 places, 122 transitions, 252 flow [2023-11-29 02:32:53,010 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=126, PETRI_TRANSITIONS=122} [2023-11-29 02:32:53,011 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -20 predicate places. [2023-11-29 02:32:53,011 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 122 transitions, 252 flow [2023-11-29 02:32:53,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:53,012 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] [2023-11-29 02:32:53,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:32:53,013 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:53,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1319077173, now seen corresponding path program 1 times [2023-11-29 02:32:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105925056] [2023-11-29 02:32:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:53,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105925056] [2023-11-29 02:32:53,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105925056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:53,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:53,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:53,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999108821] [2023-11-29 02:32:53,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:53,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:53,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:53,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:53,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 122 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:53,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:53,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:53,142 INFO L124 PetriNetUnfolderBase]: 4/139 cut-off events. [2023-11-29 02:32:53,143 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:53,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 139 events. 4/139 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 126. Up to 16 conditions per place. [2023-11-29 02:32:53,144 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 9 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2023-11-29 02:32:53,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 121 transitions, 272 flow [2023-11-29 02:32:53,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-29 02:32:53,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2023-11-29 02:32:53,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:53,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,151 INFO L175 Difference]: Start difference. First operand has 126 places, 122 transitions, 252 flow. Second operand 3 states and 423 transitions. [2023-11-29 02:32:53,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 121 transitions, 272 flow [2023-11-29 02:32:53,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 121 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:53,156 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 250 flow [2023-11-29 02:32:53,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2023-11-29 02:32:53,157 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -21 predicate places. [2023-11-29 02:32:53,157 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 250 flow [2023-11-29 02:32:53,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:53,158 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] [2023-11-29 02:32:53,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:32:53,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:53,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:53,159 INFO L85 PathProgramCache]: Analyzing trace with hash 603241943, now seen corresponding path program 1 times [2023-11-29 02:32:53,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:53,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032853357] [2023-11-29 02:32:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:53,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032853357] [2023-11-29 02:32:53,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032853357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:53,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:53,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:53,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959838783] [2023-11-29 02:32:53,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:53,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:53,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:53,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:53,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:53,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:53,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:53,259 INFO L124 PetriNetUnfolderBase]: 4/138 cut-off events. [2023-11-29 02:32:53,259 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:53,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 138 events. 4/138 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 117. Up to 16 conditions per place. [2023-11-29 02:32:53,260 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 9 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2023-11-29 02:32:53,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 270 flow [2023-11-29 02:32:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-29 02:32:53,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2023-11-29 02:32:53,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:53,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-29 02:32:53,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,268 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 250 flow. Second operand 3 states and 423 transitions. [2023-11-29 02:32:53,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 120 transitions, 270 flow [2023-11-29 02:32:53,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 120 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:53,272 INFO L231 Difference]: Finished difference. Result has 124 places, 120 transitions, 248 flow [2023-11-29 02:32:53,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=124, PETRI_TRANSITIONS=120} [2023-11-29 02:32:53,273 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -22 predicate places. [2023-11-29 02:32:53,273 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 120 transitions, 248 flow [2023-11-29 02:32:53,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:53,274 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] [2023-11-29 02:32:53,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:32:53,275 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:53,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:53,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1621742471, now seen corresponding path program 1 times [2023-11-29 02:32:53,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:53,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179650152] [2023-11-29 02:32:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:53,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179650152] [2023-11-29 02:32:53,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179650152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:53,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:53,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:53,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342840871] [2023-11-29 02:32:53,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:53,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:53,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 168 [2023-11-29 02:32:53,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:53,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 168 [2023-11-29 02:32:53,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:53,384 INFO L124 PetriNetUnfolderBase]: 4/137 cut-off events. [2023-11-29 02:32:53,384 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:53,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 137 events. 4/137 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 110. Up to 18 conditions per place. [2023-11-29 02:32:53,385 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 11 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2023-11-29 02:32:53,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 119 transitions, 272 flow [2023-11-29 02:32:53,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-11-29 02:32:53,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8313492063492064 [2023-11-29 02:32:53,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:53,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,393 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,393 INFO L175 Difference]: Start difference. First operand has 124 places, 120 transitions, 248 flow. Second operand 3 states and 419 transitions. [2023-11-29 02:32:53,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 119 transitions, 272 flow [2023-11-29 02:32:53,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 119 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:53,396 INFO L231 Difference]: Finished difference. Result has 123 places, 119 transitions, 246 flow [2023-11-29 02:32:53,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=123, PETRI_TRANSITIONS=119} [2023-11-29 02:32:53,398 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -23 predicate places. [2023-11-29 02:32:53,398 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 119 transitions, 246 flow [2023-11-29 02:32:53,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:53,399 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] [2023-11-29 02:32:53,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:32:53,399 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:53,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1031007004, now seen corresponding path program 1 times [2023-11-29 02:32:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:53,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768078635] [2023-11-29 02:32:53,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:53,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:53,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:53,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768078635] [2023-11-29 02:32:53,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768078635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:53,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:53,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:53,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474665597] [2023-11-29 02:32:53,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:53,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:53,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:53,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:53,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 168 [2023-11-29 02:32:53,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 119 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:53,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 168 [2023-11-29 02:32:53,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:53,508 INFO L124 PetriNetUnfolderBase]: 4/136 cut-off events. [2023-11-29 02:32:53,508 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:53,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 136 events. 4/136 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 101. Up to 18 conditions per place. [2023-11-29 02:32:53,509 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 11 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2023-11-29 02:32:53,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 118 transitions, 270 flow [2023-11-29 02:32:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-11-29 02:32:53,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8313492063492064 [2023-11-29 02:32:53,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:53,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-11-29 02:32:53,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,517 INFO L175 Difference]: Start difference. First operand has 123 places, 119 transitions, 246 flow. Second operand 3 states and 419 transitions. [2023-11-29 02:32:53,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 118 transitions, 270 flow [2023-11-29 02:32:53,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 118 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:53,520 INFO L231 Difference]: Finished difference. Result has 122 places, 118 transitions, 244 flow [2023-11-29 02:32:53,520 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2023-11-29 02:32:53,521 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2023-11-29 02:32:53,521 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 244 flow [2023-11-29 02:32:53,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:53,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:53,522 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] [2023-11-29 02:32:53,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:32:53,523 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:53,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:53,523 INFO L85 PathProgramCache]: Analyzing trace with hash -866571904, now seen corresponding path program 1 times [2023-11-29 02:32:53,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:53,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452849334] [2023-11-29 02:32:53,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:53,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:54,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:54,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452849334] [2023-11-29 02:32:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452849334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:54,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:54,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:54,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119444711] [2023-11-29 02:32:54,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:54,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:54,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:54,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:54,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:54,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 168 [2023-11-29 02:32:54,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:54,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 168 [2023-11-29 02:32:54,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:54,242 INFO L124 PetriNetUnfolderBase]: 24/170 cut-off events. [2023-11-29 02:32:54,242 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:32:54,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 170 events. 24/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 206 event pairs, 2 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 161. Up to 20 conditions per place. [2023-11-29 02:32:54,243 INFO L140 encePairwiseOnDemand]: 163/168 looper letters, 17 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2023-11-29 02:32:54,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 300 flow [2023-11-29 02:32:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 826 transitions. [2023-11-29 02:32:54,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2023-11-29 02:32:54,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 826 transitions. [2023-11-29 02:32:54,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 826 transitions. [2023-11-29 02:32:54,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:54,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 826 transitions. [2023-11-29 02:32:54,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.66666666666666) internal successors, (826), 6 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,255 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,255 INFO L175 Difference]: Start difference. First operand has 122 places, 118 transitions, 244 flow. Second operand 6 states and 826 transitions. [2023-11-29 02:32:54,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 300 flow [2023-11-29 02:32:54,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 125 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:32:54,259 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 246 flow [2023-11-29 02:32:54,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=246, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2023-11-29 02:32:54,260 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -22 predicate places. [2023-11-29 02:32:54,260 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 246 flow [2023-11-29 02:32:54,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:54,261 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] [2023-11-29 02:32:54,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:32:54,262 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:54,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1723772764, now seen corresponding path program 1 times [2023-11-29 02:32:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:54,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260904013] [2023-11-29 02:32:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:54,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:54,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:54,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260904013] [2023-11-29 02:32:54,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260904013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:54,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:54,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:32:54,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640598991] [2023-11-29 02:32:54,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:54,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:32:54,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:54,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:32:54,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:32:54,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 168 [2023-11-29 02:32:54,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 246 flow. Second operand has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:54,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 168 [2023-11-29 02:32:54,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:54,951 INFO L124 PetriNetUnfolderBase]: 9/138 cut-off events. [2023-11-29 02:32:54,951 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2023-11-29 02:32:54,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 138 events. 9/138 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 3 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 106. Up to 14 conditions per place. [2023-11-29 02:32:54,953 INFO L140 encePairwiseOnDemand]: 163/168 looper letters, 13 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2023-11-29 02:32:54,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 120 transitions, 286 flow [2023-11-29 02:32:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:32:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:32:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 822 transitions. [2023-11-29 02:32:54,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8154761904761905 [2023-11-29 02:32:54,957 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 822 transitions. [2023-11-29 02:32:54,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 822 transitions. [2023-11-29 02:32:54,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:54,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 822 transitions. [2023-11-29 02:32:54,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,966 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 168.0) internal successors, (1176), 7 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,966 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 246 flow. Second operand 6 states and 822 transitions. [2023-11-29 02:32:54,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 120 transitions, 286 flow [2023-11-29 02:32:54,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 120 transitions, 279 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:54,970 INFO L231 Difference]: Finished difference. Result has 124 places, 116 transitions, 245 flow [2023-11-29 02:32:54,970 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=124, PETRI_TRANSITIONS=116} [2023-11-29 02:32:54,971 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -22 predicate places. [2023-11-29 02:32:54,971 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 116 transitions, 245 flow [2023-11-29 02:32:54,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:54,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:54,972 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] [2023-11-29 02:32:54,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:32:54,973 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:54,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:54,973 INFO L85 PathProgramCache]: Analyzing trace with hash -98527036, now seen corresponding path program 1 times [2023-11-29 02:32:54,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:54,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102326785] [2023-11-29 02:32:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:55,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:55,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102326785] [2023-11-29 02:32:55,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102326785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:55,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:55,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543912166] [2023-11-29 02:32:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:55,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:55,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:55,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:55,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:55,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:55,109 INFO L124 PetriNetUnfolderBase]: 4/131 cut-off events. [2023-11-29 02:32:55,110 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:55,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 131 events. 4/131 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 121. Up to 14 conditions per place. [2023-11-29 02:32:55,111 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 10 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2023-11-29 02:32:55,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 114 transitions, 263 flow [2023-11-29 02:32:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2023-11-29 02:32:55,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8412698412698413 [2023-11-29 02:32:55,113 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 424 transitions. [2023-11-29 02:32:55,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 424 transitions. [2023-11-29 02:32:55,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:55,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 424 transitions. [2023-11-29 02:32:55,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,117 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,117 INFO L175 Difference]: Start difference. First operand has 124 places, 116 transitions, 245 flow. Second operand 3 states and 424 transitions. [2023-11-29 02:32:55,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 114 transitions, 263 flow [2023-11-29 02:32:55,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 114 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:32:55,120 INFO L231 Difference]: Finished difference. Result has 120 places, 114 transitions, 236 flow [2023-11-29 02:32:55,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=120, PETRI_TRANSITIONS=114} [2023-11-29 02:32:55,122 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -26 predicate places. [2023-11-29 02:32:55,122 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 114 transitions, 236 flow [2023-11-29 02:32:55,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:55,122 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] [2023-11-29 02:32:55,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:32:55,123 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 02:32:55,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:55,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1386757179, now seen corresponding path program 1 times [2023-11-29 02:32:55,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:55,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319829257] [2023-11-29 02:32:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:55,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:55,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:55,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319829257] [2023-11-29 02:32:55,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319829257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:55,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:55,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119803159] [2023-11-29 02:32:55,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:55,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:55,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:55,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:55,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:55,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 168 [2023-11-29 02:32:55,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 114 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:55,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 168 [2023-11-29 02:32:55,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:55,230 INFO L124 PetriNetUnfolderBase]: 4/129 cut-off events. [2023-11-29 02:32:55,230 INFO L125 PetriNetUnfolderBase]: For 3/9 co-relation queries the response was YES. [2023-11-29 02:32:55,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 129 events. 4/129 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 3 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 136. Up to 14 conditions per place. [2023-11-29 02:32:55,231 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2023-11-29 02:32:55,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 112 transitions, 252 flow [2023-11-29 02:32:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-29 02:32:55,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2023-11-29 02:32:55,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-29 02:32:55,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-29 02:32:55,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:55,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-29 02:32:55,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,238 INFO L175 Difference]: Start difference. First operand has 120 places, 114 transitions, 236 flow. Second operand 3 states and 423 transitions. [2023-11-29 02:32:55,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 112 transitions, 252 flow [2023-11-29 02:32:55,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 112 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:32:55,240 INFO L231 Difference]: Finished difference. Result has 119 places, 0 transitions, 0 flow [2023-11-29 02:32:55,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=119, PETRI_TRANSITIONS=0} [2023-11-29 02:32:55,241 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-11-29 02:32:55,242 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 0 transitions, 0 flow [2023-11-29 02:32:55,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:55,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2023-11-29 02:32:55,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2023-11-29 02:32:55,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2023-11-29 02:32:55,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2023-11-29 02:32:55,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2023-11-29 02:32:55,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2023-11-29 02:32:55,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2023-11-29 02:32:55,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2023-11-29 02:32:55,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2023-11-29 02:32:55,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2023-11-29 02:32:55,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2023-11-29 02:32:55,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2023-11-29 02:32:55,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2023-11-29 02:32:55,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2023-11-29 02:32:55,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2023-11-29 02:32:55,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2023-11-29 02:32:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2023-11-29 02:32:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2023-11-29 02:32:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2023-11-29 02:32:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2023-11-29 02:32:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2023-11-29 02:32:55,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2023-11-29 02:32:55,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2023-11-29 02:32:55,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2023-11-29 02:32:55,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2023-11-29 02:32:55,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2023-11-29 02:32:55,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2023-11-29 02:32:55,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2023-11-29 02:32:55,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2023-11-29 02:32:55,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2023-11-29 02:32:55,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2023-11-29 02:32:55,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2023-11-29 02:32:55,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2023-11-29 02:32:55,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2023-11-29 02:32:55,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2023-11-29 02:32:55,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2023-11-29 02:32:55,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:32:55,254 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:55,259 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:32:55,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:32:55,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:32:55 BasicIcfg [2023-11-29 02:32:55,266 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:32:55,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:32:55,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:32:55,266 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:32:55,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:32:52" (3/4) ... [2023-11-29 02:32:55,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:32:55,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:32:55,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:32:55,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-29 02:32:55,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:32:55,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:32:55,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:32:55,370 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:32:55,370 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:32:55,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:32:55,371 INFO L158 Benchmark]: Toolchain (without parser) took 4399.31ms. Allocated memory was 165.7MB in the beginning and 251.7MB in the end (delta: 86.0MB). Free memory was 119.2MB in the beginning and 128.1MB in the end (delta: -8.9MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,372 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:32:55,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.83ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 106.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,373 INFO L158 Benchmark]: Boogie Preprocessor took 37.24ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,373 INFO L158 Benchmark]: RCFGBuilder took 902.71ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 102.6MB in the beginning and 146.3MB in the end (delta: -43.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,374 INFO L158 Benchmark]: TraceAbstraction took 3012.34ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 145.3MB in the beginning and 133.3MB in the end (delta: 11.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,374 INFO L158 Benchmark]: Witness Printer took 104.53ms. Allocated memory is still 251.7MB. Free memory was 133.3MB in the beginning and 128.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:32:55,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.83ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 106.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.64ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.24ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.71ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 102.6MB in the beginning and 146.3MB in the end (delta: -43.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3012.34ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 145.3MB in the beginning and 133.3MB in the end (delta: 11.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 104.53ms. Allocated memory is still 251.7MB. Free memory was 133.3MB in the beginning and 128.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 194 locations, 46 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: 2.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 27 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:32:55,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c40c28a-fec3-47af-ab24-8e56274f1bd1/bin/uautomizer-verify-BQ2R08f2Ya/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