./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl --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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:26:32,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:32,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:26:32,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:32,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:32,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:32,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:32,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:32,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:26:32,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:26:32,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:32,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:32,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:32,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:32,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:26:32,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:26:32,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:32,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:26:32,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:32,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:26:32,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:26:32,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:26:32,461 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:26:32,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:26:32,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:26:32,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:32,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:32,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:32,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:32,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:26:32,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:32,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:32,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:26:32,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:26:32,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:32,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:26:32,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:26:32,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:26:32,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:26:32,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:26:32,468 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:26:32,468 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_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2023-11-12 02:26:32,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:32,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:32,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:32,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:32,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:32,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-12 02:26:36,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:36,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:36,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2023-11-12 02:26:36,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/data/7ce2f4163/e562cdb949254a30a339b212a7901ff5/FLAG1b2a9909e [2023-11-12 02:26:36,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/data/7ce2f4163/e562cdb949254a30a339b212a7901ff5 [2023-11-12 02:26:36,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:36,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:36,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:36,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:36,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:36,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f5d9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36, skipping insertion in model container [2023-11-12 02:26:36,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:36,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:36,629 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:36,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:36,688 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:36,688 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:36,697 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:36,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36 WrapperNode [2023-11-12 02:26:36,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:36,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:36,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:36,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:36,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,798 INFO L138 Inliner]: procedures = 25, calls = 47, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 387 [2023-11-12 02:26:36,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:36,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:36,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:36,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:36,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:36,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:36,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:36,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:36,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:36,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:36,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:36,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:26:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:26:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:26:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:26:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:26:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:26:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:26:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:26:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:26:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:26:36,988 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:26:37,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:37,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:38,128 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:38,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:38,517 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:26:38,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:38 BoogieIcfgContainer [2023-11-12 02:26:38,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:38,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:26:38,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:26:38,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:26:38,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:26:36" (1/3) ... [2023-11-12 02:26:38,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4a1c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:38, skipping insertion in model container [2023-11-12 02:26:38,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36" (2/3) ... [2023-11-12 02:26:38,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4a1c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:38, skipping insertion in model container [2023-11-12 02:26:38,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:38" (3/3) ... [2023-11-12 02:26:38,536 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-11-12 02:26:38,546 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:26:38,558 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:26:38,559 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-11-12 02:26:38,559 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:26:38,730 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:26:38,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 390 places, 400 transitions, 821 flow [2023-11-12 02:26:39,039 INFO L124 PetriNetUnfolderBase]: 20/397 cut-off events. [2023-11-12 02:26:39,040 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:26:39,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 397 events. 20/397 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 832 event pairs, 0 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2023-11-12 02:26:39,054 INFO L82 GeneralOperation]: Start removeDead. Operand has 390 places, 400 transitions, 821 flow [2023-11-12 02:26:39,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 370 transitions, 758 flow [2023-11-12 02:26:39,077 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:26:39,097 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 370 transitions, 758 flow [2023-11-12 02:26:39,101 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 370 transitions, 758 flow [2023-11-12 02:26:39,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 362 places, 370 transitions, 758 flow [2023-11-12 02:26:39,194 INFO L124 PetriNetUnfolderBase]: 18/370 cut-off events. [2023-11-12 02:26:39,195 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:26:39,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 370 events. 18/370 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 815 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2023-11-12 02:26:39,223 INFO L119 LiptonReduction]: Number of co-enabled transitions 30846 [2023-11-12 02:26:54,811 INFO L134 LiptonReduction]: Checked pairs total: 128856 [2023-11-12 02:26:54,811 INFO L136 LiptonReduction]: Total number of compositions: 352 [2023-11-12 02:26:54,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:26:54,833 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;@656b36f6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:26:54,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2023-11-12 02:26:54,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:26:54,835 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:26:54,836 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:26:54,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:54,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:26:54,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:26:54,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1694, now seen corresponding path program 1 times [2023-11-12 02:26:54,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:54,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800716085] [2023-11-12 02:26:54,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:54,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:54,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:54,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800716085] [2023-11-12 02:26:54,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800716085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:54,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:54,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:26:54,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19245933] [2023-11-12 02:26:54,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:54,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:26:54,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:26:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:26:55,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 752 [2023-11-12 02:26:55,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 128 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 369.5) internal successors, (739), 2 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:55,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:55,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 752 [2023-11-12 02:26:55,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:55,918 INFO L124 PetriNetUnfolderBase]: 2248/5838 cut-off events. [2023-11-12 02:26:55,919 INFO L125 PetriNetUnfolderBase]: For 205/205 co-relation queries the response was YES. [2023-11-12 02:26:55,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9160 conditions, 5838 events. 2248/5838 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 51963 event pairs, 1693 based on Foata normal form. 480/5295 useless extension candidates. Maximal degree in co-relation 8250. Up to 3126 conditions per place. [2023-11-12 02:26:55,986 INFO L140 encePairwiseOnDemand]: 716/752 looper letters, 36 selfloop transitions, 0 changer transitions 1/92 dead transitions. [2023-11-12 02:26:55,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 92 transitions, 276 flow [2023-11-12 02:26:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:26:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:26:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 811 transitions. [2023-11-12 02:26:56,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5392287234042553 [2023-11-12 02:26:56,015 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 811 transitions. [2023-11-12 02:26:56,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 811 transitions. [2023-11-12 02:26:56,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:56,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 811 transitions. [2023-11-12 02:26:56,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 405.5) internal successors, (811), 2 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:56,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:56,046 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:56,049 INFO L175 Difference]: Start difference. First operand has 127 places, 128 transitions, 274 flow. Second operand 2 states and 811 transitions. [2023-11-12 02:26:56,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 92 transitions, 276 flow [2023-11-12 02:26:56,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 264 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-12 02:26:56,061 INFO L231 Difference]: Finished difference. Result has 91 places, 91 transitions, 187 flow [2023-11-12 02:26:56,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=91, PETRI_TRANSITIONS=91} [2023-11-12 02:26:56,068 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -36 predicate places. [2023-11-12 02:26:56,069 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 91 transitions, 187 flow [2023-11-12 02:26:56,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 369.5) internal successors, (739), 2 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:56,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:56,071 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:26:56,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:26:56,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:26:56,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash -934964150, now seen corresponding path program 1 times [2023-11-12 02:26:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:56,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123681732] [2023-11-12 02:26:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:56,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:56,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123681732] [2023-11-12 02:26:56,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123681732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:56,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:56,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:26:56,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293046704] [2023-11-12 02:26:56,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:56,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:26:56,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:56,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:26:56,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:26:56,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 752 [2023-11-12 02:26:56,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:56,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:56,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 752 [2023-11-12 02:26:56,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:57,448 INFO L124 PetriNetUnfolderBase]: 2924/6944 cut-off events. [2023-11-12 02:26:57,448 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-11-12 02:26:57,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11089 conditions, 6944 events. 2924/6944 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 59291 event pairs, 2257 based on Foata normal form. 0/5714 useless extension candidates. Maximal degree in co-relation 11086. Up to 4060 conditions per place. [2023-11-12 02:26:57,592 INFO L140 encePairwiseOnDemand]: 749/752 looper letters, 37 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2023-11-12 02:26:57,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 259 flow [2023-11-12 02:26:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:26:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:26:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2023-11-12 02:26:57,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49113475177304966 [2023-11-12 02:26:57,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1108 transitions. [2023-11-12 02:26:57,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1108 transitions. [2023-11-12 02:26:57,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:57,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1108 transitions. [2023-11-12 02:26:57,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:57,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:57,620 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:57,620 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 187 flow. Second operand 3 states and 1108 transitions. [2023-11-12 02:26:57,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 259 flow [2023-11-12 02:26:57,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 89 transitions, 259 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:26:57,626 INFO L231 Difference]: Finished difference. Result has 90 places, 89 transitions, 185 flow [2023-11-12 02:26:57,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=90, PETRI_TRANSITIONS=89} [2023-11-12 02:26:57,635 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2023-11-12 02:26:57,635 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 89 transitions, 185 flow [2023-11-12 02:26:57,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:57,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:57,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:57,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:26:57,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:26:57,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:57,641 INFO L85 PathProgramCache]: Analyzing trace with hash -747754930, now seen corresponding path program 1 times [2023-11-12 02:26:57,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:57,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384084394] [2023-11-12 02:26:57,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:57,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:57,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:57,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384084394] [2023-11-12 02:26:57,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384084394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:57,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:57,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:26:57,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342888951] [2023-11-12 02:26:57,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:57,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:26:57,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:57,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:26:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:26:57,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 752 [2023-11-12 02:26:57,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:57,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:57,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 752 [2023-11-12 02:26:57,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:58,556 INFO L124 PetriNetUnfolderBase]: 2512/6267 cut-off events. [2023-11-12 02:26:58,556 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-11-12 02:26:58,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9847 conditions, 6267 events. 2512/6267 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 54790 event pairs, 1915 based on Foata normal form. 0/5164 useless extension candidates. Maximal degree in co-relation 9843. Up to 3492 conditions per place. [2023-11-12 02:26:58,606 INFO L140 encePairwiseOnDemand]: 749/752 looper letters, 36 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2023-11-12 02:26:58,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 87 transitions, 255 flow [2023-11-12 02:26:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:26:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:26:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1107 transitions. [2023-11-12 02:26:58,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49069148936170215 [2023-11-12 02:26:58,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1107 transitions. [2023-11-12 02:26:58,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1107 transitions. [2023-11-12 02:26:58,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:58,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1107 transitions. [2023-11-12 02:26:58,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 369.0) internal successors, (1107), 3 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:58,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:58,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:58,625 INFO L175 Difference]: Start difference. First operand has 90 places, 89 transitions, 185 flow. Second operand 3 states and 1107 transitions. [2023-11-12 02:26:58,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 87 transitions, 255 flow [2023-11-12 02:26:58,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:26:58,630 INFO L231 Difference]: Finished difference. Result has 89 places, 87 transitions, 182 flow [2023-11-12 02:26:58,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2023-11-12 02:26:58,632 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2023-11-12 02:26:58,633 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 182 flow [2023-11-12 02:26:58,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:58,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:58,634 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:58,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:26:58,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:26:58,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:58,640 INFO L85 PathProgramCache]: Analyzing trace with hash -852054872, now seen corresponding path program 1 times [2023-11-12 02:26:58,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:58,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284233943] [2023-11-12 02:26:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:58,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:58,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:58,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284233943] [2023-11-12 02:26:58,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284233943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:58,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:58,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:26:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318660998] [2023-11-12 02:26:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:58,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:26:58,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:26:58,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:26:58,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 752 [2023-11-12 02:26:58,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:58,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:58,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 752 [2023-11-12 02:26:58,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:59,928 INFO L124 PetriNetUnfolderBase]: 3930/8125 cut-off events. [2023-11-12 02:26:59,929 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2023-11-12 02:26:59,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13764 conditions, 8125 events. 3930/8125 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 65253 event pairs, 773 based on Foata normal form. 0/7072 useless extension candidates. Maximal degree in co-relation 13760. Up to 4838 conditions per place. [2023-11-12 02:27:00,057 INFO L140 encePairwiseOnDemand]: 745/752 looper letters, 59 selfloop transitions, 3 changer transitions 0/105 dead transitions. [2023-11-12 02:27:00,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 105 transitions, 346 flow [2023-11-12 02:27:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:27:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:27:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2023-11-12 02:27:00,062 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026595744680851 [2023-11-12 02:27:00,062 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1134 transitions. [2023-11-12 02:27:00,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1134 transitions. [2023-11-12 02:27:00,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:00,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1134 transitions. [2023-11-12 02:27:00,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.0) internal successors, (1134), 3 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:00,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:00,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:00,077 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 182 flow. Second operand 3 states and 1134 transitions. [2023-11-12 02:27:00,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 105 transitions, 346 flow [2023-11-12 02:27:00,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 105 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:27:00,080 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 194 flow [2023-11-12 02:27:00,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2023-11-12 02:27:00,082 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -40 predicate places. [2023-11-12 02:27:00,082 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 194 flow [2023-11-12 02:27:00,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:00,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:00,083 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:00,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:27:00,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:00,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:00,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1026664683, now seen corresponding path program 1 times [2023-11-12 02:27:00,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:00,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930473794] [2023-11-12 02:27:00,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:00,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:00,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930473794] [2023-11-12 02:27:00,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930473794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:00,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:00,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:27:00,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77676967] [2023-11-12 02:27:00,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:00,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:27:00,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:00,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:27:00,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:27:00,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 752 [2023-11-12 02:27:00,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 364.6666666666667) internal successors, (1094), 3 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:00,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:00,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 752 [2023-11-12 02:27:00,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:01,139 INFO L124 PetriNetUnfolderBase]: 2794/6434 cut-off events. [2023-11-12 02:27:01,139 INFO L125 PetriNetUnfolderBase]: For 391/456 co-relation queries the response was YES. [2023-11-12 02:27:01,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11094 conditions, 6434 events. 2794/6434 cut-off events. For 391/456 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 54156 event pairs, 2057 based on Foata normal form. 0/5511 useless extension candidates. Maximal degree in co-relation 11090. Up to 3913 conditions per place. [2023-11-12 02:27:01,190 INFO L140 encePairwiseOnDemand]: 749/752 looper letters, 38 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-11-12 02:27:01,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 87 transitions, 276 flow [2023-11-12 02:27:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:27:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:27:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2023-11-12 02:27:01,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49822695035460995 [2023-11-12 02:27:01,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1124 transitions. [2023-11-12 02:27:01,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1124 transitions. [2023-11-12 02:27:01,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:01,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1124 transitions. [2023-11-12 02:27:01,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:01,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:01,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:01,213 INFO L175 Difference]: Start difference. First operand has 87 places, 86 transitions, 194 flow. Second operand 3 states and 1124 transitions. [2023-11-12 02:27:01,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 87 transitions, 276 flow [2023-11-12 02:27:01,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 276 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:27:01,220 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 206 flow [2023-11-12 02:27:01,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2023-11-12 02:27:01,225 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2023-11-12 02:27:01,225 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 206 flow [2023-11-12 02:27:01,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.6666666666667) internal successors, (1094), 3 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:01,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:01,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:01,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:27:01,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:01,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:01,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1572691918, now seen corresponding path program 1 times [2023-11-12 02:27:01,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:01,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241837482] [2023-11-12 02:27:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:01,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:27:01,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:01,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241837482] [2023-11-12 02:27:01,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241837482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:01,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:01,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:01,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410237179] [2023-11-12 02:27:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:01,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:01,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:01,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:02,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 752 [2023-11-12 02:27:02,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 357.1666666666667) internal successors, (2143), 6 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:02,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:02,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 752 [2023-11-12 02:27:02,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:04,327 INFO L124 PetriNetUnfolderBase]: 7890/12159 cut-off events. [2023-11-12 02:27:04,327 INFO L125 PetriNetUnfolderBase]: For 1214/1214 co-relation queries the response was YES. [2023-11-12 02:27:04,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24538 conditions, 12159 events. 7890/12159 cut-off events. For 1214/1214 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 80518 event pairs, 866 based on Foata normal form. 0/9924 useless extension candidates. Maximal degree in co-relation 24532. Up to 3754 conditions per place. [2023-11-12 02:27:04,445 INFO L140 encePairwiseOnDemand]: 747/752 looper letters, 144 selfloop transitions, 4 changer transitions 0/190 dead transitions. [2023-11-12 02:27:04,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 190 transitions, 768 flow [2023-11-12 02:27:04,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2263 transitions. [2023-11-12 02:27:04,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015514184397163 [2023-11-12 02:27:04,456 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2263 transitions. [2023-11-12 02:27:04,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2263 transitions. [2023-11-12 02:27:04,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:04,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2263 transitions. [2023-11-12 02:27:04,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 377.1666666666667) internal successors, (2263), 6 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:04,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:04,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:04,486 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 206 flow. Second operand 6 states and 2263 transitions. [2023-11-12 02:27:04,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 190 transitions, 768 flow [2023-11-12 02:27:04,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 190 transitions, 764 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:27:04,493 INFO L231 Difference]: Finished difference. Result has 93 places, 86 transitions, 208 flow [2023-11-12 02:27:04,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=208, PETRI_PLACES=93, PETRI_TRANSITIONS=86} [2023-11-12 02:27:04,494 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -34 predicate places. [2023-11-12 02:27:04,495 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 86 transitions, 208 flow [2023-11-12 02:27:04,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 357.1666666666667) internal successors, (2143), 6 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:04,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:04,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:04,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:27:04,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:04,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2001571411, now seen corresponding path program 1 times [2023-11-12 02:27:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683932696] [2023-11-12 02:27:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:27:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:04,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683932696] [2023-11-12 02:27:04,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683932696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:04,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:04,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:04,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781268794] [2023-11-12 02:27:04,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:04,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:04,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:05,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 752 [2023-11-12 02:27:05,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 86 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:05,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:05,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 752 [2023-11-12 02:27:05,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:06,947 INFO L124 PetriNetUnfolderBase]: 4762/8470 cut-off events. [2023-11-12 02:27:06,947 INFO L125 PetriNetUnfolderBase]: For 1343/1343 co-relation queries the response was YES. [2023-11-12 02:27:06,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16997 conditions, 8470 events. 4762/8470 cut-off events. For 1343/1343 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 60800 event pairs, 1439 based on Foata normal form. 0/7322 useless extension candidates. Maximal degree in co-relation 16991. Up to 2850 conditions per place. [2023-11-12 02:27:07,011 INFO L140 encePairwiseOnDemand]: 745/752 looper letters, 119 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2023-11-12 02:27:07,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 160 transitions, 636 flow [2023-11-12 02:27:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2210 transitions. [2023-11-12 02:27:07,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48980496453900707 [2023-11-12 02:27:07,023 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2210 transitions. [2023-11-12 02:27:07,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2210 transitions. [2023-11-12 02:27:07,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:07,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2210 transitions. [2023-11-12 02:27:07,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.3333333333333) internal successors, (2210), 6 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:07,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:07,046 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:07,047 INFO L175 Difference]: Start difference. First operand has 93 places, 86 transitions, 208 flow. Second operand 6 states and 2210 transitions. [2023-11-12 02:27:07,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 160 transitions, 636 flow [2023-11-12 02:27:07,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 160 transitions, 621 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:27:07,065 INFO L231 Difference]: Finished difference. Result has 92 places, 84 transitions, 207 flow [2023-11-12 02:27:07,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2023-11-12 02:27:07,068 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -35 predicate places. [2023-11-12 02:27:07,069 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 207 flow [2023-11-12 02:27:07,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:07,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:07,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:07,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:27:07,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:07,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:07,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1475741846, now seen corresponding path program 1 times [2023-11-12 02:27:07,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:07,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601141207] [2023-11-12 02:27:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:07,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:07,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601141207] [2023-11-12 02:27:07,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601141207] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:27:07,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891407828] [2023-11-12 02:27:07,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:07,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:07,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:07,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:07,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:27:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:07,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:27:07,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:07,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:27:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891407828] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:27:07,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:27:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-12 02:27:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399212950] [2023-11-12 02:27:07,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:27:07,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:27:07,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:27:07,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:27:08,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 752 [2023-11-12 02:27:08,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 207 flow. Second operand has 12 states, 12 states have (on average 353.5833333333333) internal successors, (4243), 12 states have internal predecessors, (4243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:08,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:08,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 752 [2023-11-12 02:27:08,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:09,537 INFO L124 PetriNetUnfolderBase]: 3839/8531 cut-off events. [2023-11-12 02:27:09,537 INFO L125 PetriNetUnfolderBase]: For 565/669 co-relation queries the response was YES. [2023-11-12 02:27:09,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15301 conditions, 8531 events. 3839/8531 cut-off events. For 565/669 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 73853 event pairs, 2596 based on Foata normal form. 1/7369 useless extension candidates. Maximal degree in co-relation 15295. Up to 3913 conditions per place. [2023-11-12 02:27:09,588 INFO L140 encePairwiseOnDemand]: 746/752 looper letters, 85 selfloop transitions, 6 changer transitions 0/135 dead transitions. [2023-11-12 02:27:09,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 135 transitions, 527 flow [2023-11-12 02:27:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2197 transitions. [2023-11-12 02:27:09,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48692375886524825 [2023-11-12 02:27:09,597 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2197 transitions. [2023-11-12 02:27:09,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2197 transitions. [2023-11-12 02:27:09,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:09,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2197 transitions. [2023-11-12 02:27:09,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 366.1666666666667) internal successors, (2197), 6 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:09,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:09,617 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:09,617 INFO L175 Difference]: Start difference. First operand has 92 places, 84 transitions, 207 flow. Second operand 6 states and 2197 transitions. [2023-11-12 02:27:09,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 135 transitions, 527 flow [2023-11-12 02:27:09,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 135 transitions, 513 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-12 02:27:09,623 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 240 flow [2023-11-12 02:27:09,623 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2023-11-12 02:27:09,624 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -32 predicate places. [2023-11-12 02:27:09,624 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 240 flow [2023-11-12 02:27:09,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 353.5833333333333) internal successors, (4243), 12 states have internal predecessors, (4243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:09,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:09,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:09,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:27:09,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:09,833 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:09,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:09,833 INFO L85 PathProgramCache]: Analyzing trace with hash -634685918, now seen corresponding path program 1 times [2023-11-12 02:27:09,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:09,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124803403] [2023-11-12 02:27:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:27:09,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:09,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124803403] [2023-11-12 02:27:09,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124803403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:09,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:09,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:27:09,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102429934] [2023-11-12 02:27:09,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:09,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:27:09,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:09,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:27:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:27:09,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 752 [2023-11-12 02:27:09,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:09,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:09,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 752 [2023-11-12 02:27:09,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:11,072 INFO L124 PetriNetUnfolderBase]: 3839/8389 cut-off events. [2023-11-12 02:27:11,073 INFO L125 PetriNetUnfolderBase]: For 1757/1864 co-relation queries the response was YES. [2023-11-12 02:27:11,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16070 conditions, 8389 events. 3839/8389 cut-off events. For 1757/1864 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 71747 event pairs, 2649 based on Foata normal form. 7/7223 useless extension candidates. Maximal degree in co-relation 16061. Up to 4882 conditions per place. [2023-11-12 02:27:11,156 INFO L140 encePairwiseOnDemand]: 748/752 looper letters, 62 selfloop transitions, 3 changer transitions 0/108 dead transitions. [2023-11-12 02:27:11,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 108 transitions, 430 flow [2023-11-12 02:27:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:27:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:27:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1139 transitions. [2023-11-12 02:27:11,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5048758865248227 [2023-11-12 02:27:11,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1139 transitions. [2023-11-12 02:27:11,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1139 transitions. [2023-11-12 02:27:11,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:11,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1139 transitions. [2023-11-12 02:27:11,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:11,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:11,187 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 752.0) internal successors, (3008), 4 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:11,187 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 240 flow. Second operand 3 states and 1139 transitions. [2023-11-12 02:27:11,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 108 transitions, 430 flow [2023-11-12 02:27:11,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 108 transitions, 420 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-12 02:27:11,195 INFO L231 Difference]: Finished difference. Result has 94 places, 87 transitions, 234 flow [2023-11-12 02:27:11,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2023-11-12 02:27:11,198 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -33 predicate places. [2023-11-12 02:27:11,201 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 87 transitions, 234 flow [2023-11-12 02:27:11,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:11,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:11,202 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:11,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:27:11,203 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:11,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1827699281, now seen corresponding path program 2 times [2023-11-12 02:27:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068522732] [2023-11-12 02:27:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:27:11,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:11,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068522732] [2023-11-12 02:27:11,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068522732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:11,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:11,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:11,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493080439] [2023-11-12 02:27:11,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:11,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:11,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:12,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 752 [2023-11-12 02:27:12,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 87 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 350.3333333333333) internal successors, (2102), 6 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:12,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:12,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 752 [2023-11-12 02:27:12,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:13,636 INFO L124 PetriNetUnfolderBase]: 5951/10377 cut-off events. [2023-11-12 02:27:13,636 INFO L125 PetriNetUnfolderBase]: For 2611/2718 co-relation queries the response was YES. [2023-11-12 02:27:13,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22013 conditions, 10377 events. 5951/10377 cut-off events. For 2611/2718 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 75660 event pairs, 2296 based on Foata normal form. 0/9134 useless extension candidates. Maximal degree in co-relation 22004. Up to 4261 conditions per place. [2023-11-12 02:27:13,703 INFO L140 encePairwiseOnDemand]: 745/752 looper letters, 123 selfloop transitions, 5 changer transitions 0/161 dead transitions. [2023-11-12 02:27:13,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 161 transitions, 686 flow [2023-11-12 02:27:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2210 transitions. [2023-11-12 02:27:13,712 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48980496453900707 [2023-11-12 02:27:13,713 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2210 transitions. [2023-11-12 02:27:13,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2210 transitions. [2023-11-12 02:27:13,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:13,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2210 transitions. [2023-11-12 02:27:13,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.3333333333333) internal successors, (2210), 6 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:13,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:13,733 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:13,733 INFO L175 Difference]: Start difference. First operand has 94 places, 87 transitions, 234 flow. Second operand 6 states and 2210 transitions. [2023-11-12 02:27:13,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 161 transitions, 686 flow [2023-11-12 02:27:13,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:27:13,761 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 234 flow [2023-11-12 02:27:13,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2023-11-12 02:27:13,762 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -32 predicate places. [2023-11-12 02:27:13,762 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 234 flow [2023-11-12 02:27:13,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.3333333333333) internal successors, (2102), 6 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:13,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:13,763 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] [2023-11-12 02:27:13,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:27:13,764 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:13,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash -538426348, now seen corresponding path program 1 times [2023-11-12 02:27:13,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:13,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645392610] [2023-11-12 02:27:13,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:13,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:13,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:13,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645392610] [2023-11-12 02:27:13,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645392610] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:27:13,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184542358] [2023-11-12 02:27:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:13,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:13,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:27:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:14,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:27:14,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:14,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:27:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:27:14,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184542358] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:27:14,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:27:14,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-11-12 02:27:14,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708161914] [2023-11-12 02:27:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:14,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:27:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:14,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:27:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:27:14,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 752 [2023-11-12 02:27:14,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 234 flow. Second operand has 5 states, 5 states have (on average 356.6) internal successors, (1783), 5 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:14,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:14,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 752 [2023-11-12 02:27:14,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:15,022 INFO L124 PetriNetUnfolderBase]: 3763/7873 cut-off events. [2023-11-12 02:27:15,022 INFO L125 PetriNetUnfolderBase]: For 1568/1609 co-relation queries the response was YES. [2023-11-12 02:27:15,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15567 conditions, 7873 events. 3763/7873 cut-off events. For 1568/1609 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 61019 event pairs, 1364 based on Foata normal form. 0/6835 useless extension candidates. Maximal degree in co-relation 15558. Up to 3570 conditions per place. [2023-11-12 02:27:15,059 INFO L140 encePairwiseOnDemand]: 746/752 looper letters, 63 selfloop transitions, 5 changer transitions 0/109 dead transitions. [2023-11-12 02:27:15,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 109 transitions, 446 flow [2023-11-12 02:27:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:27:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:27:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1828 transitions. [2023-11-12 02:27:15,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48617021276595745 [2023-11-12 02:27:15,067 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1828 transitions. [2023-11-12 02:27:15,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1828 transitions. [2023-11-12 02:27:15,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:15,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1828 transitions. [2023-11-12 02:27:15,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 365.6) internal successors, (1828), 5 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:15,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 752.0) internal successors, (4512), 6 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:15,082 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 752.0) internal successors, (4512), 6 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:15,082 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 234 flow. Second operand 5 states and 1828 transitions. [2023-11-12 02:27:15,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 109 transitions, 446 flow [2023-11-12 02:27:15,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 109 transitions, 434 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-12 02:27:15,089 INFO L231 Difference]: Finished difference. Result has 96 places, 86 transitions, 247 flow [2023-11-12 02:27:15,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=96, PETRI_TRANSITIONS=86} [2023-11-12 02:27:15,089 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -31 predicate places. [2023-11-12 02:27:15,090 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 86 transitions, 247 flow [2023-11-12 02:27:15,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 356.6) internal successors, (1783), 5 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:15,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:15,091 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:15,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-12 02:27:15,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-12 02:27:15,301 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:15,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:15,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1135612471, now seen corresponding path program 1 times [2023-11-12 02:27:15,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:15,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608034340] [2023-11-12 02:27:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:27:15,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:15,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608034340] [2023-11-12 02:27:15,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608034340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:15,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:15,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467753771] [2023-11-12 02:27:15,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:15,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:15,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:15,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:15,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:16,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 752 [2023-11-12 02:27:16,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 86 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:16,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:16,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 752 [2023-11-12 02:27:16,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:17,610 INFO L124 PetriNetUnfolderBase]: 4203/8217 cut-off events. [2023-11-12 02:27:17,610 INFO L125 PetriNetUnfolderBase]: For 3304/3420 co-relation queries the response was YES. [2023-11-12 02:27:17,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17700 conditions, 8217 events. 4203/8217 cut-off events. For 3304/3420 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 61603 event pairs, 2767 based on Foata normal form. 0/7295 useless extension candidates. Maximal degree in co-relation 17689. Up to 5126 conditions per place. [2023-11-12 02:27:17,653 INFO L140 encePairwiseOnDemand]: 747/752 looper letters, 109 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2023-11-12 02:27:17,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 149 transitions, 671 flow [2023-11-12 02:27:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2227 transitions. [2023-11-12 02:27:17,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.493572695035461 [2023-11-12 02:27:17,661 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2227 transitions. [2023-11-12 02:27:17,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2227 transitions. [2023-11-12 02:27:17,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:17,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2227 transitions. [2023-11-12 02:27:17,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 371.1666666666667) internal successors, (2227), 6 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:17,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:17,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:17,678 INFO L175 Difference]: Start difference. First operand has 96 places, 86 transitions, 247 flow. Second operand 6 states and 2227 transitions. [2023-11-12 02:27:17,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 149 transitions, 671 flow [2023-11-12 02:27:17,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 149 transitions, 665 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:27:17,690 INFO L231 Difference]: Finished difference. Result has 97 places, 85 transitions, 247 flow [2023-11-12 02:27:17,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=97, PETRI_TRANSITIONS=85} [2023-11-12 02:27:17,691 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -30 predicate places. [2023-11-12 02:27:17,691 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 85 transitions, 247 flow [2023-11-12 02:27:17,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:17,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:27:17,692 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:17,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:27:17,692 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-11-12 02:27:17,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:17,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1858878904, now seen corresponding path program 1 times [2023-11-12 02:27:17,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:17,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53813154] [2023-11-12 02:27:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:17,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:27:18,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:18,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53813154] [2023-11-12 02:27:18,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53813154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:18,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:18,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:18,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500877319] [2023-11-12 02:27:18,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:18,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:18,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:18,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:18,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 752 [2023-11-12 02:27:18,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 85 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:18,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:27:18,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 752 [2023-11-12 02:27:18,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:27:19,571 INFO L124 PetriNetUnfolderBase]: 3803/7807 cut-off events. [2023-11-12 02:27:19,571 INFO L125 PetriNetUnfolderBase]: For 2938/3054 co-relation queries the response was YES. [2023-11-12 02:27:19,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16401 conditions, 7807 events. 3803/7807 cut-off events. For 2938/3054 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 60424 event pairs, 2864 based on Foata normal form. 0/6966 useless extension candidates. Maximal degree in co-relation 16390. Up to 5311 conditions per place. [2023-11-12 02:27:19,607 INFO L140 encePairwiseOnDemand]: 747/752 looper letters, 0 selfloop transitions, 0 changer transitions 104/104 dead transitions. [2023-11-12 02:27:19,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 431 flow [2023-11-12 02:27:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:27:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:27:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2191 transitions. [2023-11-12 02:27:19,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48559397163120566 [2023-11-12 02:27:19,617 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2191 transitions. [2023-11-12 02:27:19,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2191 transitions. [2023-11-12 02:27:19,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:27:19,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2191 transitions. [2023-11-12 02:27:19,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.1666666666667) internal successors, (2191), 6 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:19,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:19,636 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 752.0) internal successors, (5264), 7 states have internal predecessors, (5264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:19,636 INFO L175 Difference]: Start difference. First operand has 97 places, 85 transitions, 247 flow. Second operand 6 states and 2191 transitions. [2023-11-12 02:27:19,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 431 flow [2023-11-12 02:27:19,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 104 transitions, 424 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:27:19,645 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2023-11-12 02:27:19,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=752, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2023-11-12 02:27:19,646 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -30 predicate places. [2023-11-12 02:27:19,646 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2023-11-12 02:27:19,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 359.3333333333333) internal successors, (2156), 6 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:27:19,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2023-11-12 02:27:19,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2023-11-12 02:27:19,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2023-11-12 02:27:19,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2023-11-12 02:27:19,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2023-11-12 02:27:19,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2023-11-12 02:27:19,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2023-11-12 02:27:19,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2023-11-12 02:27:19,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2023-11-12 02:27:19,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2023-11-12 02:27:19,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2023-11-12 02:27:19,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2023-11-12 02:27:19,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2023-11-12 02:27:19,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2023-11-12 02:27:19,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2023-11-12 02:27:19,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2023-11-12 02:27:19,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2023-11-12 02:27:19,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2023-11-12 02:27:19,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2023-11-12 02:27:19,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2023-11-12 02:27:19,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2023-11-12 02:27:19,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2023-11-12 02:27:19,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2023-11-12 02:27:19,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:27:19,663 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:19,669 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:27:19,669 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:27:19,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:27:19 BasicIcfg [2023-11-12 02:27:19,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:27:19,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:27:19,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:27:19,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:27:19,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:38" (3/4) ... [2023-11-12 02:27:19,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:27:19,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:27:19,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:27:19,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 02:27:19,690 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-12 02:27:19,690 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:27:19,691 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:27:19,691 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:27:19,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:27:19,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:27:19,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:27:19,788 INFO L158 Benchmark]: Toolchain (without parser) took 43444.88ms. Allocated memory was 167.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 123.1MB in the beginning and 485.8MB in the end (delta: -362.7MB). Peak memory consumption was 833.4MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,788 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 133.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:27:19,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.03ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 109.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.54ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 106.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,790 INFO L158 Benchmark]: Boogie Preprocessor took 86.28ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 102.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,790 INFO L158 Benchmark]: RCFGBuilder took 1630.56ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 102.9MB in the beginning and 127.3MB in the end (delta: -24.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,791 INFO L158 Benchmark]: TraceAbstraction took 41148.40ms. Allocated memory was 213.9MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 126.3MB in the beginning and 492.1MB in the end (delta: -365.8MB). Peak memory consumption was 782.4MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,791 INFO L158 Benchmark]: Witness Printer took 112.32ms. Allocated memory is still 1.4GB. Free memory was 492.1MB in the beginning and 485.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:27:19,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 133.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.03ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 109.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.54ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 106.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.28ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 102.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1630.56ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 102.9MB in the beginning and 127.3MB in the end (delta: -24.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 41148.40ms. Allocated memory was 213.9MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 126.3MB in the beginning and 492.1MB in the end (delta: -365.8MB). Peak memory consumption was 782.4MB. Max. memory is 16.1GB. * Witness Printer took 112.32ms. Allocated memory is still 1.4GB. Free memory was 492.1MB in the beginning and 485.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.7s, 362 PlacesBefore, 127 PlacesAfterwards, 370 TransitionsBefore, 128 TransitionsAfterwards, 30846 CoEnabledTransitionPairs, 8 FixpointIterations, 162 TrivialSequentialCompositions, 138 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 30 ConcurrentYvCompositions, 7 ChoiceCompositions, 352 TotalNumberOfCompositions, 128856 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31393, independent: 30025, independent conditional: 0, independent unconditional: 30025, dependent: 1368, dependent conditional: 0, dependent unconditional: 1368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15867, independent: 15698, independent conditional: 0, independent unconditional: 15698, dependent: 169, dependent conditional: 0, dependent unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 31393, independent: 14327, independent conditional: 0, independent unconditional: 14327, dependent: 1199, dependent conditional: 0, dependent unconditional: 1199, unknown: 15867, unknown conditional: 0, unknown unconditional: 15867] , Statistics on independence cache: Total cache size (in pairs): 1105, Positive cache size: 987, Positive conditional cache size: 0, Positive unconditional cache size: 987, Negative cache size: 118, Negative conditional cache size: 0, Negative unconditional cache size: 118, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 564 locations, 79 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: 40.9s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2130 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1473 mSDsluCounter, 373 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 622 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4433 IncrementalHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 622 mSolverCounterUnsat, 92 mSDtfsCounter, 4433 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 7 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 13/18 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:27:19,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1238ecd5-070b-4418-be12-bd5888cb8afc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE